Don't report origin changes during loading.

chrome/browser/search_engines/template_url_service.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 478 matching lines @@
   void ChangeToLoadedState();
 
   // Callback that is called when the Google URL is updated.
   void OnGoogleURLUpdated(GURL old_url, GURL new_url);
 
   // Called by DefaultSearchManager when the effective default search engine has
   // changed.
   void OnDefaultSearchChange(const TemplateURLData* new_dse_data,
                              DefaultSearchManager::Source source);
 
-  // Applies a DSE change. May be called at startup or after transitioning to
-  // the loaded state.
+  // Applies a DSE change and reports metrics if appropriate.
   void ApplyDefaultSearchChange(const TemplateURLData* new_dse_data,
                                 DefaultSearchManager::Source source);
 
+
+  // Applies a DSE change. May be called at startup or after transitioning to
+  // the loaded state. Returns true if a change actually occurred.
+  bool ApplyDefaultSearchChangeNoMetrics(const TemplateURLData* new_dse_data,
+                                         DefaultSearchManager::Source source);
+
   // Returns true if there is no TemplateURL that has a search url with the
   // specified host, or the only TemplateURLs matching the specified host can
   // be replaced.
   bool CanReplaceKeywordForHost(const std::string& host,
                                 TemplateURL** to_replace);
 
   // Returns true if the TemplateURL is replaceable. This doesn't look at the
   // uniqueness of the keyword or host and is intended to be called after those
   // checks have been done. This returns true if the TemplateURL doesn't appear
   // in the default list and is marked as safe_for_autoreplace.
@@ skipping 265 matching lines @@
 
   scoped_ptr<GoogleURLTracker::Subscription> google_url_updated_subscription_;
 
   // Used to disable the prepopulated search engines in tests.
   static bool g_fallback_search_engines_disabled;
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURLService);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_