Enabled the "search web for image" context menu item when "Yandex"

components/search_engines/prepopulated_engines.json

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // 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_engine.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.
 
@@ skipping 569 matching lines @@
       "type": "SEARCH_ENGINE_YAHOO",
       "id": 2
     },
 
     "yandex_ru": {
       "name": "\u042f\u043d\u0434\u0435\u043a\u0441",
       "keyword": "yandex.ru",
       "favicon_url": "http://yandex.st/lego/_/pDu9OWAQKB0s2J9IojKpiS_Eho.ico",
       "search_url": "http://yandex.ru/yandsearch?text={searchTerms}",
       "suggest_url": "http://suggest.yandex.net/suggest-ff.cgi?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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
 
     "yandex_tr": {
       "name": "Yandex",
       "keyword": "yandex.com.tr",
       "favicon_url": "http://yastatic.net/islands-icons/_/6jyHGXR8-HAc8oJ1bU8qMUQQz_g.ico",
       "search_url": "http://www.yandex.com.tr/yandsearch?text={searchTerms}",
       "suggest_url": "http://suggest.yandex.com.tr/suggest-ff.cgi?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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
 
     "yandex_ua": {
       "name": "\u042f\u043d\u0434\u0435\u043a\u0441",
       "keyword": "yandex.ua",
       "favicon_url": "http://yastatic.net/islands-icons/_/aKnllxm-gQhidpzbZqub7qe641g.ico",
       "search_url": "http://yandex.ua/yandsearch?text={searchTerms}",
       "suggest_url": "http://suggest.yandex.ua/suggest-ff.cgi?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",
       "type": "SEARCH_ENGINE_YANDEX",
       "id": 15
     },
 
 
     // UMA-only engines ////////////////////////////////////////////////////////
 
     // The following engines are not included in any of the country lists. They
     // are listed in |kAllEngines|, however, so that GetEngineType can find them
     // for UMA reporting purposes.
@@ skipping 347 matching lines @@
       "name": "Zoznam",
       "keyword": "zoznam.sk",
       "favicon_url": "http://www.zoznam.sk/favicon.ico",
       "search_url": "http://www.zoznam.sk/hladaj.fcgi?s={searchTerms}",
       "encoding": "windows-1250",
       "type": "SEARCH_ENGINE_ZOZNAM",
       "id": 85
     }
   }
 }