Add new tab page for Yandex search engine.

components/search_engines/prepopulated_engines.json

Index: components/search_engines/prepopulated_engines.json
diff --git a/components/search_engines/prepopulated_engines.json b/components/search_engines/prepopulated_engines.json
index 64c3b8773fc19b622fecb93cd12091eed078a28e..4a40b4f1f571d9e52c982a33b2b5f079f2a9042c 100644
--- a/components/search_engines/prepopulated_engines.json
+++ b/components/search_engines/prepopulated_engines.json
@@ -30,7 +30,7 @@
 
     // Increment this if you change the data in ways that mean users with
     // existing data should get a new version.
-    "kCurrentDataVersion": 85
+    "kCurrentDataVersion": 86
   },
 
   // The following engines are included in country lists and are added to the
@@ -580,6 +580,7 @@
       "suggest_url": "https://api.browser.yandex.by/suggest/get?part={searchTerms}",
       "image_url": "http://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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -592,6 +593,7 @@
       "suggest_url": "https://api.browser.yandex.kz/suggest/get?part={searchTerms}",
       "image_url": "http://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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -604,6 +606,7 @@
       "suggest_url": "https://api.browser.yandex.ru/suggest/get?part={searchTerms}",
       "image_url": "http://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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -616,6 +619,7 @@
       "suggest_url": "https://api.browser.yandex.com.tr/suggest/get?part={searchTerms}",
       "image_url": "http://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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
@@ -628,6 +632,7 @@
       "suggest_url": "https://api.browser.yandex.ua/suggest/get?part={searchTerms}",
       "image_url": "http://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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },