Chromium 搜索引擎功能浅析c++

地址栏输入：chrome://settings/searchEngines

可以看到 有百度等数据源，那么如何调整其顺序呢，此数据又存储在哪里呢？

1、浏览器初始化搜索引擎数据来源在

components\search_engines\prepopulated_engines.json

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.// This file is used during build to generate prepopulated_engines.h/cc.
// For more details see tools/json_to_struct/json_to_struct.py.// Engine definitions. See prepopulated_engines_schema.json for the field
// definitions.// NOTES:
//   - CHANGE THE BELOW NUMBERS IF YOU ADD A NEW ENGINE; ID conflicts = bad!
//     - Make sure you update the int_variables below as described in comments.
//     - IDs > 1000 are reserved for distribution custom engines.
//   - NOTIFY the Chrome Webstore team if you add/delete a search engine or
//     change domain of an existing one (send email to [e-mail]).
//     They need to know the mapping between an engine's "id" and its URLs.
//   - Use HTTPS URLs when adding new search engines or adding URLs to existing
//     ones. It's not the 90s anymore.{"int_variables": {// When adding new engines, increment this number and use it as the new// max ID. This is used by UMA stats and must be updated to include the full// range or else not all engines will be counted in stats."kMaxPrepopulatedEngineID": 111,// Increment this if you change the data in ways that mean users with// existing data should get a new version. Otherwise, existing data may// continue to be used and updates made here will not always appear.// Also then run tools/search_engine_choice/generate_search_engine_icons.py."kCurrentDataVersion": 145},// The following engines are included in country lists and are added to the// list of search engines on the first run depending on user's country."elements": {"ask": {"name": "Ask","keyword": "ask.com","favicon_url": "https://www.ask.com/wp-content/uploads/sites/3/2021/10/ask-favicon.png","search_url": "https://www.ask.com/web?q={searchTerms}","suggest_url": "https://lss.sse-iacapps.com/query?q={searchTerms}&li=ff","type": "SEARCH_ENGINE_ASK","id": 4},"baidu": {"name": "\u767e\u5ea6","keyword": "baidu.com","favicon_url": "https://www.baidu.com/favicon.ico","search_url": "https://www.baidu.com/#ie={inputEncoding}&wd={searchTerms}","alternate_urls": ["https://www.baidu.com/s?ie={inputEncoding}&wd={searchTerms}","https://www.baidu.com/s?ie={inputEncoding}&word={searchTerms}","https://www.baidu.com/{google:pathWildcard}/s?ie={inputEncoding}&word={searchTerms}"],"suggest_url": "https://suggestion.baidu.com/su?wd={searchTerms}&action=opensearch&ie={inputEncoding}","type": "SEARCH_ENGINE_BAIDU","id": 21},"bing": {"name": "Bing","keyword": "bing.com","favicon_url": "https://www.bing.com/sa/simg/bing_p_rr_teal_min.ico","search_url": "https://www.bing.com/search?q={searchTerms}&PC=U316&FORM=CHROMN","suggest_url": "https://www.bing.com/osjson.aspx?query={searchTerms}&language={language}&PC=U316","image_url": "https://www.bing.com/images/detail/search?iss=sbiupload&FORM=CHROMI#enterInsights","new_tab_url": "https://www.bing.com/chrome/newtab","image_url_post_params": "imageBin={google:imageThumbnailBase64}","type": "SEARCH_ENGINE_BING","id": 3},"brave": {"name": "Brave Search","keyword": "search.brave.com","favicon_url": "https://cdn.search.brave.com/serp/favicon.ico","search_url": "https://search.brave.com/search?q={searchTerms}","suggest_url": "https://search.brave.com/api/suggest?q={searchTerms}","type": "SEARCH_ENGINE_BRAVE","id": 109},"coccoc": {"name": "Cốc Cốc","keyword": "coccoc.com","favicon_url": "https://coccoc.com/favicon.ico","search_url": "https://coccoc.com/search#query={searchTerms}","type": "SEARCH_ENGINE_COCCOC","id": 91},"daum": {"name": "Daum","keyword": "daum.net","favicon_url": "https://search.daum.net/favicon.ico","search_url": "https://search.daum.net/search?w=tot&DA=JU5&q={searchTerms}","suggest_url": "https://suggest.search.daum.net/sushi/opensearch/pc?q={searchTerms}&DA=JU6","type": "SEARCH_ENGINE_DAUM","id": 68},"duckduckgo": {"name": "DuckDuckGo","keyword": "duckduckgo.com","favicon_url": "https://duckduckgo.com/favicon.ico","search_url": "https://duckduckgo.com/?q={searchTerms}","suggest_url": "https://duckduckgo.com/ac/?q={searchTerms}&type=list","new_tab_url": "https://duckduckgo.com/chrome_newtab","type": "SEARCH_ENGINE_DUCKDUCKGO","id": 92},"ecosia": {"name": "Ecosia","keyword": "ecosia.org","favicon_url": "https://cdn.ecosia.org/assets/images/ico/favicon.ico","search_url": "https://www.ecosia.org/search?q={searchTerms}&addon=opensearch","suggest_url": "https://ac.ecosia.org/autocomplete?q={searchTerms}&type=list","new_tab_url": "https://www.ecosia.org/newtab/","type": "SEARCH_ENGINE_ECOSIA","id": 101},"google": {"name": "Google","keyword": "google.com","favicon_url": "https://www.google.com/images/branding/product/ico/googleg_alldp.ico","search_url": "{google:baseURL}search?q={searchTerms}&{google:RLZ}{google:originalQueryForSuggestion}{google:assistedQueryStats}{google:searchFieldtrialParameter}{google:iOSSearchLanguage}{google:prefetchSource}{google:searchClient}{google:sourceId}{google:contextualSearchVersion}ie={inputEncoding}","suggest_url": "{google:baseSuggestURL}search?{google:searchFieldtrialParameter}client={google:suggestClient}&gs_ri={google:suggestRid}&xssi=t&q={searchTerms}&{google:inputType}{google:omniboxFocusType}{google:cursorPosition}{google:currentPageUrl}{google:pageClassification}{google:clientCacheTimeToLive}{google:searchVersion}{google:sessionToken}{google:prefetchQuery}sugkey={google:suggestAPIKeyParameter}","image_url": "{google:baseSearchByImageURL}upload","image_translate_url": "{google:baseSearchByImageURL}upload?filtertype=tr&{imageTranslateSourceLocale}{imageTranslateTargetLocale}","contextual_search_url": "{google:baseURL}_/contextualsearch?{google:contextualSearchVersion}{google:contextualSearchContextData}","image_url_post_params": "encoded_image={google:imageThumbnail},image_url={google:imageURL},sbisrc={google:imageSearchSource},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},processed_image_dimensions={google:processedImageDimensions}","side_search_param": "sidesearch","image_translate_source_language_param_key": "sourcelang","image_translate_target_language_param_key": "targetlang","side_image_search_param": "sideimagesearch","search_intent_params": ["si", "gs_ssp"],"alternate_urls": ["{google:baseURL}#q={searchTerms}","{google:baseURL}search#q={searchTerms}","{google:baseURL}webhp#q={searchTerms}","{google:baseURL}s#q={searchTerms}","{google:baseURL}s?q={searchTerms}"],"type": "SEARCH_ENGINE_GOOGLE","preconnect_to_search_url" : "ALLOWED","prefetch_likely_navigations" : "ALLOWED","id": 1},"karma": {"name": "Karma Search","keyword": "karmasearch.org","favicon_url": "https://karmasearch.org/favicon.ico","search_url": "https://karmasearch.org/search?q={searchTerms}","suggest_url": "https://api.karmasearch.org/search/autosuggest?q={searchTerms}","type": "SEARCH_ENGINE_KARMA","id": 110},"lilo": {"name": "Lilo","keyword": "lilo.org","favicon_url": "https://www.lilo.org/wp-content/themes/jarvis_wp/ajans/assets/favicon.ico","search_url": "https://search.lilo.org/?q={searchTerms}","suggest_url": "https://search.lilo.org/api/?service=suggestions&action=suggest&q={searchTerms}&f=chr","id": 111},"mail_ru": {"name": "@MAIL.RU","keyword": "mail.ru","favicon_url": "https://go.imgsmail.ru/favicon.ico","search_url": "https://go.mail.ru/search?q={searchTerms}&{mailru:referralID}&fr=ch_omnibox","alternate_urls": ["https://go.mail.ru/msearch?q={searchTerms}&{mailru:referralID}"],"new_tab_url": "https://go.mail.ru/chrome/newtab/","suggest_url": "https://suggests.go.mail.ru/chrome?q={searchTerms}","type": "SEARCH_ENGINE_MAILRU","id": 83},"mojeek": {"name": "Mojeek","keyword": "mojeek.com","favicon_url": "https://www.mojeek.com/favicon.ico","search_url": "https://www.mojeek.com/search?q={searchTerms}","type": "SEARCH_ENGINE_MOJEEK","id": 103},"naver": {"name": "\ub124\uc774\ubc84","keyword": "naver.com","favicon_url": "https://ssl.pstatic.net/sstatic/search/favicon/favicon_140327.ico","search_url": "https://search.naver.com/search.naver?ie={inputEncoding}&query={searchTerms}&sm=chr_hty","suggest_url": "https://ac.search.naver.com/nx/ac?of=os&ie={inputEncoding}&q={searchTerms}&oe={outputEncoding}","type": "SEARCH_ENGINE_NAVER","id": 67},"nona": {"name": "Nona","keyword": "nona.de","favicon_url": "https://www.nona.de/favicon.ico","search_url": "https://www.nona.de/?q={searchTerms}","suggest_url": "https://www.nona.de/autocomplete/?q={searchTerms}","type": "SEARCH_ENGINE_NONA","id": 107},"panda": {"name": "Panda Search","keyword": "panda-search.org","favicon_url": "https://panda-search.org/favicon.ico","search_url": "https://panda-search.org/search/?q={searchTerms}","suggest_url": "https://suggest.panda-search.org/suggest?rtag=pandaomn&rsrc=po&q={searchTerms}&fmt=cr","type": "SEARCH_ENGINE_PANDASEARCH","id": 104},"petal_search": {"name": "Petal Search","keyword": "petalsearch.com","favicon_url": "https://search-static-dre.dbankcdn.com/pc/v1/favicon.ico","search_url": "https://petalsearch.com/search?query={searchTerms}","type": "SEARCH_ENGINE_PETALSEARCH","id": 102},"presearch": {"name": "Presearch","keyword": "presearch.com","favicon_url": "https://presearch.com/favicon.ico","search_url": "https://presearch.com/search?q={searchTerms}&src=c","suggest_url": "https://presearch.com/api/suggest?q={searchTerms}&src=c","type": "SEARCH_ENGINE_PRESEARCH","id": 105},"quendu": {"name": "Quendu.com","keyword": "quendu.com","favicon_url": "https://quendu.com/assets/favicon-48x48.png","search_url": "https://www.quendu.com/search?q={searchTerms}","suggest_url": "https://www.quendu.com/suggest?query={searchTerms}","type": "SEARCH_ENGINE_QUENDU","id": 108},"qwant": {"name": "Qwant","keyword": "qwant.com","favicon_url": "https://www.qwant.com/favicon.ico","search_url": "https://www.qwant.com/?q={searchTerms}&client=opensearch","suggest_url": "https://api.qwant.com/api/suggest/?q={searchTerms}&client=opensearch","type": "SEARCH_ENGINE_QWANT","id": 94},"seznam_cz": {"name": "Seznam","keyword": "seznam.cz","favicon_url": "https://search.seznam.cz/favicon.ico","search_url": "https://search.seznam.cz/?q={searchTerms}","suggest_url": "https://suggest.seznam.cz/fulltext_ff?phrase={searchTerms}","type": "SEARCH_ENGINE_SEZNAM","id": 25},"seznam_sk": {"name": "Seznam","keyword": "seznam.sk","favicon_url": "https://search.seznam.sk/favicon.ico","search_url": "https://search.seznam.sk/?q={searchTerms}","suggest_url": "https://suggest.seznam.sk/fulltext_ff?phrase={searchTerms}","type": "SEARCH_ENGINE_SEZNAM","id": 25},"so_360": {"name": "360","keyword": "so.com","favicon_url": "https://www.so.com/favicon.ico","search_url": "https://www.so.com/s?ie={inputEncoding}&q={searchTerms}","alternate_urls": ["https://m.so.com/s?ie={inputEncoding}&q={searchTerms}","https://m.so.com/index.php?ie={inputEncoding}&q={searchTerms}"],"suggest_url": "https://sug.so.360.cn/suggest?encodein={inputEncoding}&encodeout={outputEncoding}&format=opensearch&word={searchTerms}","type": "SEARCH_ENGINE_360","id": 88},"sogou": {"name": "\u641c\u72d7","keyword": "sogou.com","favicon_url": "https://www.sogou.com/images/logo/old/favicon.ico","search_url": "https://www.sogou.com/web?ie={inputEncoding}&query={searchTerms}","alternate_urls": ["https://m.sogou.com/web/{google:pathWildcard}?ie={inputEncoding}&keyword={searchTerms}"],"suggest_url": "https://sugg.sogou.com/sugg/ajaj_json.jsp?type=addrbar&key={searchTerms}&ie={inputEncoding}&from=google","type": "SEARCH_ENGINE_SOGOU","id": 56},"yahoo": {"name": "Yahoo!","keyword": "yahoo.com","favicon_url": "https://search.yahoo.com/favicon.ico","search_url": "https://search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas_sfp&p={searchTerms}","suggest_url": "https://search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas_sfp&command={searchTerms}","new_tab_url": "https://search.yahoo.com?fr=crmas_sfp","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_ar": {"name": "Yahoo! Argentina","keyword": "ar.yahoo.com","favicon_url": "https://ar.search.yahoo.com/favicon.ico","search_url": "https://ar.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://ar.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_at": {"name": "Yahoo! \u00d6sterreich","keyword": "at.yahoo.com","favicon_url": "https://at.search.yahoo.com/favicon.ico","search_url": "https://at.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://at.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_au": {"name": "Yahoo!7","keyword": "au.yahoo.com","favicon_url": "https://au.search.yahoo.com/favicon.ico","search_url": "https://au.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://au.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_br": {"name": "Yahoo! Brasil","keyword": "br.yahoo.com","favicon_url": "https://br.search.yahoo.com/favicon.ico","search_url": "https://br.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://br.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_ca": {"name": "Yahoo! Canada","keyword": "ca.yahoo.com","favicon_url": "https://ca.search.yahoo.com/favicon.ico","search_url": "https://ca.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://ca.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_ch": {"name": "Yahoo! Schweiz","keyword": "ch.yahoo.com","favicon_url": "https://ch.search.yahoo.com/favicon.ico","search_url": "https://ch.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://ch.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_cl": {"name": "Yahoo! Chile","keyword": "cl.yahoo.com","favicon_url": "https://cl.search.yahoo.com/favicon.ico","search_url": "https://cl.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://cl.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_co": {"name": "Yahoo! Colombia","keyword": "co.yahoo.com","favicon_url": "https://co.search.yahoo.com/favicon.ico","search_url": "https://co.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://co.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_de": {"name": "Yahoo! Deutschland","keyword": "de.yahoo.com","favicon_url": "https://de.search.yahoo.com/favicon.ico","search_url": "https://de.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://de.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},// For regional Yahoo variants without a region-specific suggestion service,// suggestion is disabled. For some of them, we might consider using one of// the other language/country URLs as a fallback."yahoo_dk": {"name": "Yahoo! Danmark","keyword": "dk.yahoo.com","favicon_url": "https://dk.search.yahoo.com/favicon.ico","search_url": "https://dk.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_es": {"name": "Yahoo! Espa\u00f1a","keyword": "es.yahoo.com","favicon_url": "https://es.search.yahoo.com/favicon.ico","search_url": "https://es.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://es.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_fi": {"name": "Yahoo! Suomi","keyword": "fi.yahoo.com","favicon_url": "https://fi.search.yahoo.com/favicon.ico","search_url": "https://fi.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_fr": {"name": "Yahoo! France","keyword": "fr.yahoo.com","favicon_url": "https://fr.search.yahoo.com/favicon.ico","search_url": "https://fr.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://fr.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_hk": {"name": "Yahoo! Hong Kong","keyword": "hk.yahoo.com","favicon_url": "https://hk.search.yahoo.com/favicon.ico","search_url": "https://hk.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://hk.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_id": {"name": "Yahoo! Indonesia","keyword": "id.yahoo.com","favicon_url": "https://id.search.yahoo.com/favicon.ico","search_url": "https://id.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://id.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_in": {"name": "Yahoo! India","keyword": "in.yahoo.com","favicon_url": "https://in.search.yahoo.com/favicon.ico","search_url": "https://in.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://in.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_jp": {"name": "Yahoo! JAPAN","keyword": "yahoo.co.jp","favicon_url": "https://search.yahoo.co.jp/favicon.ico","search_url": "https://search.yahoo.co.jp/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://search.yahooapis.jp/AssistSearchService/V2/webassistSearch?p={searchTerms}&appid=oQsoxcyxg66enp0TYoirkKoryq6rF8bK76mW0KYxZ0v0WPLtn.Lix6wy8F_LwGWHUII-&output=fxjson&fr=crmas","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_mx": {"name": "Yahoo! M\u00e9xico","keyword": "mx.yahoo.com","favicon_url": "https://mx.search.yahoo.com/favicon.ico","search_url": "https://mx.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://mx.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_my": {"name": "Yahoo! Malaysia","keyword": "malaysia.yahoo.com","favicon_url": "https://malaysia.search.yahoo.com/favicon.ico","search_url": "https://malaysia.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://malaysia.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_nl": {"name": "Yahoo! Nederland","keyword": "nl.yahoo.com","favicon_url": "https://nl.search.yahoo.com/favicon.ico","search_url": "https://nl.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://nl.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_nz": {"name": "Yahoo! New Zealand","keyword": "nz.yahoo.com","favicon_url": "https://nz.search.yahoo.com/favicon.ico","search_url": "https://nz.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://nz.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_pe": {"name": "Yahoo! Per\u00fa","keyword": "pe.yahoo.com","favicon_url": "https://pe.search.yahoo.com/favicon.ico","search_url": "https://pe.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://pe.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_ph": {"name": "Yahoo! Philippines","keyword": "ph.yahoo.com","favicon_url": "https://ph.search.yahoo.com/favicon.ico","search_url": "https://ph.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://ph.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_se": {"name": "Yahoo! Sverige","keyword": "se.yahoo.com","favicon_url": "https://se.search.yahoo.com/favicon.ico","search_url": "https://se.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_sg": {"name": "Yahoo! Singapore","keyword": "sg.yahoo.com","favicon_url": "https://sg.search.yahoo.com/favicon.ico","search_url": "https://sg.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://sg.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_th": {"name": "Yahoo! \u0e1b\u0e23\u0e30\u0e40\u0e17\u0e28\u0e44\u0e17\u0e22","keyword": "th.yahoo.com","favicon_url": "https://th.search.yahoo.com/favicon.ico","search_url": "https://th.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://th.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_tr": {"name": "Yahoo! T\u00fcrkiye","keyword": "tr.yahoo.com","favicon_url": "https://tr.search.yahoo.com/favicon.ico","search_url": "https://tr.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_tw": {"name": "Yahoo!\u5947\u6469","keyword": "tw.yahoo.com","favicon_url": "https://tw.search.yahoo.com/favicon.ico","search_url": "https://tw.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://tw.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"yahoo_uk": {"name": "Yahoo! 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They// are listed in |kAllEngines|, however, so that GetEngineType can find them// for UMA reporting purposes."atlas_cz": {"name": "Atlas.cz","keyword": "atlas.cz","favicon_url": "https://searchatlas.centrum.cz/favicon.ico","search_url": "https://searchatlas.centrum.cz/?q={searchTerms}","alternate_urls": ["http://searchatlas.centrum.cz/?q={searchTerms}"],"suggest_url": "http://radce.centrum.cz/?q={searchTerms}&of=1","type": "SEARCH_ENGINE_ATLAS","id": 27},"atlas_sk": {"name": "ATLAS.SK","keyword": "atlas.sk","favicon_url": "http://static.mediacentrum.sk/katalog/atlas.sk/images/favicon.ico","search_url": "https://hladaj.atlas.sk/fulltext/?phrase={searchTerms}","alternate_urls": ["http://hladaj.atlas.sk/fulltext/?phrase={searchTerms}"],"type": "SEARCH_ENGINE_ATLAS","id": 27},"avg": {"name": "AVG","keyword": "search.avg.com","favicon_url": "http://search.avg.com/favicon.ico","search_url": "http://search.avg.com/search?q={searchTerms}","alternate_urls": ["http://isearch.avg.com/search?q={searchTerms}","http://search.avg.com/route/?q={searchTerms}&lng={language}","https://isearch.avg.com/search?q={searchTerms}","https://search.avg.com/route/?q={searchTerms}&lng={language}"],"type": "SEARCH_ENGINE_AVG","id": 50},"babylon": {"name": "Babylon","keyword": "search.babylon.com","favicon_url": "http://search.babylon.com/favicon.ico","search_url": "http://search.babylon.com/home?q={searchTerms}","alternate_urls": ["http://search.babylon.com/?q={searchTerms}"],"type": "SEARCH_ENGINE_BABYLON","id": 64},"conduit": {"name": "Conduit","keyword": "conduit.com","favicon_url": "http://www.conduit.com/favicon.ico","search_url": "http://www.conduit.com/search?q={searchTerms}&ie={inputEncoding}&cx=010301873083402539744%3Anxaq5wgrtuo&cof=forid%3A11","alternate_urls": ["http://search.conduit.com/Results.aspx?q={searchTerms}"],"type": "SEARCH_ENGINE_CONDUIT","id": 36},"delfi_lt": {"name": "DELFI","keyword": "delfi.lt","favicon_url": "https://www.delfi.lt/favicon.ico","search_url": "https://www.delfi.lt/paieska/?q={searchTerms}","alternate_urls": ["http://www.delfi.lt/paieska/?q={searchTerms}"],"type": "SEARCH_ENGINE_DELFI","id": 45},"delfi_lv": {"name": "DELFI","keyword": "delfi.lv","favicon_url": "http://g1.delphi.lv/favicon.ico","search_url": "http://www.delfi.lv/search_all/?ie={inputEncoding}&q={searchTerms}&lang={language}&cx=partner-pub-7754285690273419%3A1507605038&cof=FORID%3A10","type": "SEARCH_ENGINE_DELFI","id": 45},"delta": {"name": "Delta","keyword": "delta-search.com","favicon_url": "http://www.delta-search.com/favicon.ico","search_url": "http://www.delta-search.com/home?q={searchTerms}","alternate_urls": ["http://www.delta-search.com/?q={searchTerms}","http://www1.delta-search.com/home?q={searchTerms}","http://www1.delta-search.com/?q={searchTerms}","http://www2.delta-search.com/home?q={searchTerms}","http://www2.delta-search.com/?q={searchTerms}","http://www.search.delta-search.com/home?q={searchTerms}","http://www.search.delta-search.com/?q={searchTerms}","http://www.yhs.delta-search.com/home?q={searchTerms}","http://www.yhs.delta-search.com/?q={searchTerms}","http://mixidj.delta-search.com/home?q={searchTerms}","http://mixidj.delta-search.com/?q={searchTerms}","http://www.search.delta-search.com/home?q={searchTerms}","http://www.search.delta-search.com/?q={searchTerms}"],"type": "SEARCH_ENGINE_DELTA","id": 66},"funmoods": {"name": "Funmoods","keyword": "searchfunmoods.com","favicon_url": "http://searchfunmoods.com/favicon.ico","search_url": "http://searchfunmoods.com/results.php?q={searchTerms}","type": "SEARCH_ENGINE_FUNMOODS","id": 60},"givero": {"name": "Givero","keyword": "givero.com","favicon_url": "https://www.givero.com/favicon.ico","search_url": "https://www.givero.com/search?q={searchTerms}","suggest_url": "https://www.givero.com/suggest?q={searchTerms}","type": "SEARCH_ENGINE_GIVERO","id": 95},"gmx": {"name": "GMX Search","keyword": "search.gmx.com","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://search.gmx.com/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.com/s?q={searchTerms}&brand=gmxcom&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"gmx_at": {"name": "GMX Suche","keyword": "suche.gmx.at","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://suche.gmx.at/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.at/s?q={searchTerms}&brand=gmxat&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"gmx_de": {"name": "GMX Suche","keyword": "suche.gmx.net","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://suche.gmx.net/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.net/s?q={searchTerms}&brand=gmx&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"gmx_es": {"name": "GMX Search","keyword": "search.gmx.es","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://search.gmx.es/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.es/s?q={searchTerms}&brand=gmxes&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"gmx_fr": {"name": "GMX Search","keyword": "search.gmx.fr","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://search.gmx.fr/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.fr/s?q={searchTerms}&brand=gmxfr&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"gmx_gb": {"name": "GMX Search","keyword": "search.gmx.co.uk","favicon_url": "https://dl.gmx.com/apps/favicon.ico","search_url": "https://search.gmx.co.uk/web/result?q={searchTerms}&sp=b","suggest_url": "https://suggestplugin.gmx.co.uk/s?q={searchTerms}&brand=gmxcouk&enc={inputEncoding}&sp=b","type": "SEARCH_ENGINE_GMX","id": 96},"goo": {"name": "goo","keyword": "search.goo.ne.jp","favicon_url": "https://search.goo.ne.jp/cdn/common/img/favicon.ico","search_url": "https://search.goo.ne.jp/web.jsp?MT={searchTerms}&IE={inputEncoding}","suggest_url": "https://search.goo.ne.jp/sgt.jsp?MT={searchTerms}&CL=plugin&FM=json&IE={inputEncoding}","alternate_urls": ["http://search.goo.ne.jp/web.jsp?MT={searchTerms}&IE={inputEncoding}","http://search.goo.ne.jp/sgt.jsp?MT={searchTerms}&CL=plugin&FM=json&IE={inputEncoding}"],"encoding": "EUC-JP","type": "SEARCH_ENGINE_GOO","id": 23},"imesh": {"name": "IMesh","keyword": "search.imesh.net","favicon_url": "http://search.imesh.net/favicon.ico","search_url": "http://search.imesh.net/music?hl={language}&si={searchTerms}","type": "SEARCH_ENGINE_IMESH","id": 81},"iminent": {"name": "SearchTheWeb","keyword": "iminent.com","favicon_url": "http://search.iminent.com/Shared/Images/favicon_gl.ico","search_url": "http://search.iminent.com/?q={searchTerms}","alternate_urls": ["http://search.iminent.com/SearchTheWeb/v6/1033/homepage/Default.aspx#q={searchTerms}","http://search.iminent.com/SearchTheWeb/v6/1033/homepage/Result.aspx#q={searchTerms}","http://start.iminent.com/?q={searchTerms}","http://start.iminent.com/StartWeb/1033/homepage/#q={searchTerms}"],"type": "SEARCH_ENGINE_IMINENT","id": 79},"in": {"name": "in.gr","keyword": "in.gr","favicon_url": "http://find.in.gr/Themes/1/Default/Media/Layout/icon_in.png","search_url": "http://find.in.gr/?q={searchTerms}&ie={inputEncoding}&cx=partner-pub-3451081775397713%3Aklnvxp4nycj&cof=FORID%3A9","type": "SEARCH_ENGINE_IN","id": 54},"incredibar": {"name": "MyStart","keyword": "mystart.incredibar.com","favicon_url": "http://search.incredibar.com/favicon.ico","search_url": "http://search.incredibar.com/search.php?q={searchTerms}","alternate_urls": ["http://search.incredibar.com/?q={searchTerms}","http://mystart.incredibar.com/?search={searchTerms}"],"type": "SEARCH_ENGINE_INCREDIBAR","id": 74},"info_com": {"name": "Info.com","keyword": "info.com","favicon_url": "https://www.info.com/static/www.info.com/favicon.ico","search_url": "https://www.info.com/serp?q={searchTerms}&segment=info.0472","type": "SEARCH_ENGINE_INFO_COM","id": 97},"libero": {"name": "Libero","keyword": "libero.it","favicon_url": "http://ms1.iol.it/graph_hf/v.8.3.04/themes/default/img/favicon.ico","search_url": "http://arianna.libero.it/search/abin/integrata.cgi?query={searchTerms}","encoding": "ISO-8859-1","type": "SEARCH_ENGINE_LIBERO","id": 63},"metager_de": {"name": "MetaGer","keyword": "metager.de","favicon_url": "https://metager.de/favicon.ico","search_url": "https://metager.de/meta/meta.ger3?eingabe={searchTerms}","type": "SEARCH_ENGINE_METAGER","id": 98},"metager_gb": {"name": "MetaGer","keyword": "metager.org","favicon_url": "https://metager.de/favicon.ico","search_url": "https://metager.org/meta/meta.ger3?eingabe={searchTerms}","type": "SEARCH_ENGINE_METAGER","id": 98},"neti": {"name": "NETI","keyword": "neti.ee","favicon_url": "http://www.neti.ee/favicon.ico","search_url": "http://www.neti.ee/cgi-bin/otsing?query={searchTerms}","suggest_url": "http://www.neti.ee/api/suggestOS?suggestQuery={searchTerms}","alternate_urls": ["https://www.neti.ee/cgi-bin/otsing?query={searchTerms}&src=web","https://www.neti.ee/api/suggestOS?suggestVersion=1&suggestQuery={searchTerms}"],"encoding": "ISO-8859-1","type": "SEARCH_ENGINE_NETI","id": 44},"nigma": {"name": "\u041d\u0438\u0433\u043c\u0430","keyword": "nigma.ru","favicon_url": "http://nigma.ru/themes/nigma/img/favicon.ico","search_url": "http://nigma.ru/?s={searchTerms}","suggest_url": "http://autocomplete.nigma.ru/complete/query_help.php?suggest=true&q={searchTerms}","type": "SEARCH_ENGINE_NIGMA","id": 43},"oceanhero":{"name": "OceanHero","keyword": "oceanhero.today","favicon_url": "https://oceanhero.today/favicon.ico","search_url": "https://oceanhero.today/web?q={searchTerms}","suggest_url": "https://api.oceanhero.today/suggestions?q={searchTerms}","type": "SEARCH_ENGINE_OCEANHERO","id": 99},"ok": {"name": "OK.hu","keyword": "ok.hu","favicon_url": "http://ok.hu/gfx/favicon.ico","search_url": "http://ok.hu/katalogus?q={searchTerms}","encoding": "ISO-8859-2","type": "SEARCH_ENGINE_OK","id": 6},"privacywall": {"name": "PrivacyWall","keyword": "privacywall.org","favicon_url": "https://www.privacywall.org/images/favicon_32x32.ico","search_url": "https://www.privacywall.org/search/secure/?q={searchTerms}","suggest_url": "https://search.privacywall.org/suggest.php?q={searchTerms}","type": "SEARCH_ENGINE_PRIVACYWALL","id": 100},"rambler": {"name": "\u0420\u0430\u043c\u0431\u043b\u0435\u0440","keyword": "rambler.ru","favicon_url": "http://i.rl0.ru/2011/icons/rambler.ico","search_url": "http://nova.rambler.ru/search?query={searchTerms}","suggest_url": "http://nova.rambler.ru/suggest?v=3&query={searchTerms}","alternate_urls": ["https://nova.rambler.ru/search?query={searchTerms}","https://nova.rambler.ru/suggest?v=3&query={searchTerms}"],"type": "SEARCH_ENGINE_RAMBLER","id": 16},"sapo": {"name": "SAPO","keyword": "sapo.pt","favicon_url": "http://imgs.sapo.pt/images/sapo.ico","search_url": "http://pesquisa.sapo.pt/?q={searchTerms}","suggest_url": "http://pesquisa.sapo.pt/livesapo?q={searchTerms}","type": "SEARCH_ENGINE_SAPO","id": 77},"searchnu": {"name": "searchnu","keyword": "searchnu.com","favicon_url": "http://www.searchnu.com/favicon.ico","search_url": "http://www.searchnu.com/web?hl={language}&si={searchTerms}","type": "SEARCH_ENGINE_SEARCHNU","id": 61},"search_results": {"name": "Search-results","keyword": "search-results.com","favicon_url": "http://ak.apnstatic.com/media/images/favicon_search-results.ico","search_url": "http://dts.search-results.com/sr?lng={language}&src=hmp&q={searchTerms}","alternate_urls": ["http://www.search-results.com/web?q={searchTerms}"],"type": "SEARCH_ENGINE_SEARCH_RESULTS","id": 78},"snapdo": {"name": "SnapDo","keyword": "search.snapdo.com","favicon_url": "http://linkurystoragenorthus.blob.core.windows.net/static/favicon.ico","search_url": "http://search.snapdo.com/?q={searchTerms}","alternate_urls": ["http://search.snap.do/?q={searchTerms}","http://feed.snapdo.com/?q={searchTerms}","http://feed.snap.do/?q={searchTerms}"],"type": "SEARCH_ENGINE_SNAPDO","id": 70},"softonic": {"name": "softonic","keyword": "search.softonic.com","favicon_url": "http://search.softonic.com/img/favicon.ico","search_url": "http://search.softonic.com/?q={searchTerms}","alternate_urls": ["http://en.softonic.com/s/{searchTerms}","http://www.softonic.com/s/{searchTerms}","http://www.softonic.com.br/s/{searchTerms}","http://buscador.softonic.com/?q={searchTerms}","http://nl.softonic.com/s/{searchTerms}","https://search.softonic.com/?q={searchTerms}","https://en.softonic.com/s/{searchTerms}","https://www.softonic.com/s/{searchTerms}","https://www.softonic.com.br/s/{searchTerms}","https://buscador.softonic.com/?q={searchTerms}","https://nl.softonic.com/s/{searchTerms}"],"type": "SEARCH_ENGINE_SOFTONIC","id": 80},"sweetim": {"name": "SweetIM","keyword": "home.sweetim.com","favicon_url": "http://search.sweetim.com/favicon.ico","search_url": "http://search.sweetim.com/search.asp?q={searchTerms}&ln={language}","type": "SEARCH_ENGINE_SWEETPACKS","id": 65},"sweetpacks": {"name": "Sweetpacks","keyword": "start.sweetpacks.com","favicon_url": "http://start.sweetpacks.com/favicon.ico","search_url": "http://start.sweetpacks.com/search.asp?q={searchTerms}&ln={language}","alternate_urls": ["http://start.sweetpacks.com/?q={searchTerms}","http://mysearch.sweetpacks.com/?q={searchTerms}"],"type": "SEARCH_ENGINE_SWEETPACKS","id": 65},"terra_ar": {"name": "Terra Argentina","keyword": "terra.com.ar","favicon_url": "http://buscar.terra.com.ar/favicon.ico","search_url": "http://buscar.terra.com.ar/Default.aspx?source=Search&ca=s&query={searchTerms}","alternate_urls": ["https://buscador.terra.com.ar/Default.aspx?source=Search&ca=s&query={searchTerms}"],"encoding": "ISO-8859-1","type": "SEARCH_ENGINE_TERRA","id": 90},"terra_es": {"name": "Terra","keyword": "terra.es","favicon_url": "http://buscador.terra.es/favicon.ico","search_url": "http://buscador.terra.es/Default.aspx?source=Search&ca=s&query={searchTerms}","alternate_urls": ["https://buscador.terra.es/Default.aspx?source=Search&ca=s&query={searchTerms}"],"encoding": "ISO-8859-1","type": "SEARCH_ENGINE_TERRA","id": 90},"tut": {"name": "TUT.BY","keyword": "tut.by","favicon_url": "http://search.tut.by/favicon.ico","search_url": "http://search.tut.by/?ru=1&query={searchTerms}","suggest_url": "http://suggest.yandex.ru/suggest-ff.cgi?part={searchTerms}&limit=10","type": "SEARCH_ENGINE_TUT","id": 17},"walla": {"name": "\u05d5\u05d5\u05d0\u05dc\u05d4!","keyword": "walla.co.il","favicon_url": "http://www.walla.co.il/favicon.ico","search_url": "http://search.walla.co.il/?q={searchTerms}","alternate_urls": ["https://search.walla.co.il/?q={searchTerms}"],"type": "SEARCH_ENGINE_WALLA","id": 55},"wp": {"name": "Wirtualna Polska","keyword": "wp.pl","favicon_url": "http://i.wp.pl/a/i/stg/500/favicon.ico","search_url": "http://szukaj.wp.pl/szukaj.html?q={searchTerms}","type": "SEARCH_ENGINE_WP","id": 76},"yahoo_qc": {"name": "Yahoo! Qu\u00e9bec","keyword": "qc.yahoo.com","favicon_url": "https://qc.search.yahoo.com/favicon.ico","search_url": "https://qc.search.yahoo.com/search{google:pathWildcard}?ei={inputEncoding}&fr=crmas&p={searchTerms}","suggest_url": "https://qc.search.yahoo.com/sugg/chrome?output=fxjson&appid=crmas&command={searchTerms}","type": "SEARCH_ENGINE_YAHOO","id": 2},"zoznam": {"name": "Zoznam","keyword": "zoznam.sk","favicon_url": "https://www.zoznam.sk/favicon.ico","search_url": "https://www.zoznam.sk/hladaj.fcgi?s={searchTerms}","alternate_urls": ["http://www.zoznam.sk/hladaj.fcgi?s={searchTerms}"],"encoding": "windows-1250","type": "SEARCH_ENGINE_ZOZNAM","id": 85}},"generate_array": {"array_name": "kAllEngines"}
}

components\search_engines\prepopulated_engines.json 文件里面定义了所有默认搜索引擎数据，初始化也是从此处读取。

2、选项页中初始化的顺序来源是参考

components\search_engines\template_url_prepopulate_data.cc 文件，直接修改此文件代码顺序即可。

摘取中文的初始化

// China
constexpr EngineAndTier engines_CN[] = {{SearchEngineTier::kTopEngines, &baidu},{SearchEngineTier::kTopEngines, &bing},{SearchEngineTier::kTopEngines, &sogou},{SearchEngineTier::kTopEngines, &so_360},{SearchEngineTier::kTopEngines, &google},
};

3、浏览器启动之后存储位置

C:\Users\Administrator\AppData\Local\Chromium\User Data\Default\Web Data  数据库keywords表里面 【%localappdata%/Chromium】

例子：保留 百度和必应为例

1、修改components\search_engines\template_url_prepopulate_data.cc

      

// China
constexpr EngineAndTier engines_CN[] = {{SearchEngineTier::kTopEngines, &baidu},{SearchEngineTier::kTopEngines, &bing},
};

2、在components\search_engines\prepopulated_engines.json中将

"kCurrentDataVersion": 146  版本号+1 145->146

此版本号+1的目的是为了清除旧版本数据库，用新的去覆盖，如果不+1。只能把userdata 里面

Web Data数据库重新删除，浏览器再启动的时候才会初始化成百度和必应搜索引擎。

  

{"int_variables": {// When adding new engines, increment this number and use it as the new// max ID. This is used by UMA stats and must be updated to include the full// range or else not all engines will be counted in stats."kMaxPrepopulatedEngineID": 111,// Increment this if you change the data in ways that mean users with// existing data should get a new version. Otherwise, existing data may// continue to be used and updates made here will not always appear.// Also then run tools/search_engine_choice/generate_search_engine_icons.py."kCurrentDataVersion": 146  版本号+1},

3、ninja -C out/debug chrome 编译看下效果：

已经将列表改成百度和必应搜索引擎，完结。

附修改记录：