Make extensions DSE persistent in browser prefs

components/search_engines/template_url_service.h

Index: components/search_engines/template_url_service.h
diff --git a/components/search_engines/template_url_service.h b/components/search_engines/template_url_service.h
index 4a8a5af3f6d10e7d484ffa77b6b7216b78a262f8..7a18677782880d87207a3b25db002462c2656700 100644
--- a/components/search_engines/template_url_service.h
+++ b/components/search_engines/template_url_service.h
@@ -424,6 +424,7 @@ class TemplateURLService : public WebDataServiceConsumer,
 
   friend class InstantUnitTestBase;
   friend class TemplateURLServiceTestUtil;
+  friend class TemplateURLServiceTest;

[vasilii, 2016/12/06 19:16:42]

What method is the reason for this?

[Alexander Yashkin, 2016/12/09 08:19:52]

Removed, it seems its left from previous tests attempts.

 
   using GUIDToTURL = std::map<std::string, TemplateURL*>;
 
@@ -699,13 +700,6 @@ class TemplateURLService : public WebDataServiceConsumer,
   TemplateURL* FindMatchingExtensionTemplateURL(const TemplateURLData& data,
                                                 TemplateURL::Type type);
 
-  // Finds the most recently-installed NORMAL_CONTROLLED_BY_EXTENSION engine
-  // that supports replacement and wants to be default, if any. Notifies the
-  // DefaultSearchManager, which might change the effective default search
-  // engine.
-  void UpdateExtensionDefaultSearchEngine();
-
-
   // ---------- Browser state related members ---------------------------------
   PrefService* prefs_;