commit f6f27ebf8f82990da4c5fdff103eb62586ee12d9
Author: tigro <arkadiy.sheyn@softline.com>
Date:   Sun Jul 23 09:57:21 2023 +0300

    Set Yandex as default search engine

diff --git a/components/search_engines/prepopulated_engines.json b/components/search_engines/prepopulated_engines.json
index e672076a3..1ef0e7504 100644
--- a/components/search_engines/prepopulated_engines.json
+++ b/components/search_engines/prepopulated_engines.json
@@ -560,7 +560,7 @@
       "suggest_url": "https://suggest.yandex.by/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}",
       "image_url": "https://yandex.by/images/search/?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
-      "new_tab_url": "https://www.yandex.by/chrome/newtab",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -573,6 +573,7 @@
       "suggest_url": "https://suggest.yandex.com/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}&uil=en&v=3&sn=5",
       "image_url": "https://yandex.com/images/search?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -586,7 +587,7 @@
       "suggest_url": "https://suggest.yandex.kz/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}",
       "image_url": "https://yandex.kz/images/search/?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
-      "new_tab_url": "https://www.yandex.kz/chrome/newtab",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -600,7 +601,7 @@
       "suggest_url": "https://suggest.yandex.ru/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}",
       "image_url": "https://yandex.ru/images/search/?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
-      "new_tab_url": "https://www.yandex.ru/chrome/newtab",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -613,7 +614,7 @@
       "suggest_url": "https://suggest.yandex.com.tr/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}",
       "image_url": "https://yandex.com.tr/gorsel/search?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
-      "new_tab_url": "https://www.yandex.com.tr/chrome/newtab",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -627,7 +628,7 @@
       "suggest_url": "https://suggest.yandex.ua/suggest-ff.cgi?part={searchTerms}&{google:cursorPosition}",
       "image_url": "https://yandex.ua/images/search/?rpt=imageview",
       "image_url_post_params": "upfile={google:imageThumbnail},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight},prg=1",
-      "new_tab_url": "https://www.yandex.ua/chrome/newtab",
+      "new_tab_url": "chrome://new-tab-page",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
diff --git a/components/search_engines/template_url_prepopulate_data.cc b/components/search_engines/template_url_prepopulate_data.cc
index efaa4b294..7f25a36e8 100644
--- a/components/search_engines/template_url_prepopulate_data.cc
+++ b/components/search_engines/template_url_prepopulate_data.cc
@@ -29,6 +29,7 @@ namespace {
 
 // Default (for countries with no better engine set)
 const PrepopulatedEngine* const engines_default[] = {
+    &yandex_com,
     &google,
     &bing,
     &yahoo,
@@ -156,8 +157,8 @@ const PrepopulatedEngine* const engines_BR[] = {
 
 // Belarus
 const PrepopulatedEngine* const engines_BY[] = {
-    &google,
     &yandex_by,
+    &google,
     &mail_ru,
     &bing,
     &duckduckgo,
@@ -435,10 +436,10 @@ const PrepopulatedEngine* const engines_IN[] = {
 
 // Iraq
 const PrepopulatedEngine* const engines_IQ[] = {
+    &yandex_tr,
     &google,
     &bing,
     &yahoo,
-    &yandex_tr,
     &petal_search,
 };
 
@@ -525,8 +526,8 @@ const PrepopulatedEngine* const engines_KW[] = {
 
 // Kazakhstan
 const PrepopulatedEngine* const engines_KZ[] = {
-    &google,
     &yandex_kz,
+    &google,
     &mail_ru,
     &bing,
     &duckduckgo,
@@ -894,8 +895,8 @@ const PrepopulatedEngine* const engines_TN[] = {
 
 // Turkey
 const PrepopulatedEngine* const engines_TR[] = {
-    &google,
     &yandex_tr,
+    &google,
     &yahoo_tr,
     &bing,
     &duckduckgo,
@@ -1388,12 +1389,15 @@ std::vector<std::unique_ptr<TemplateURLData>> GetPrepopulatedEngines(
     t_urls = GetPrepopulationSetFromCountryID(
         country_codes::GetCountryIDFromPrefs(prefs));
   }
-  if (default_search_provider_index) {
-    const auto itr =
-        base::ranges::find(t_urls, yandex_ru.id, &TemplateURLData::prepopulate_id);
-    *default_search_provider_index =
-        itr == t_urls.end() ? 0 : std::distance(t_urls.begin(), itr);
-  }
+  /* Making yandex_ru be the first in "const PrepopulatedEngine* const engines_RU[]"
+   * makes it be the first item in chrome://settings/search,
+   * but Google is still chosen by default.
+   * Removed code calculated the distance between 0 and Google's position
+   * and assign that position to default_search_provider_index,
+   * so that Google still was the default search engine.
+   * Instead, just use the first search engine as the default one.
+  */
+  if (default_search_provider_index) *default_search_provider_index = 0;
   return t_urls;
 }