Cancel pending requests for TemplateURLs in Shutdown, instead of dtor.

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 243 matching lines @@
   // Also sets the out param to indicate whether the keyword belongs to an
   // extension.
   string16 GetKeywordShortName(const string16& keyword,
                                bool* is_extension_keyword);
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // ProfileKeyedService implementation.
+  virtual void Shutdown() OVERRIDE;
+
   // syncer::SyncableService implementation.
 
   // Returns all syncable TemplateURLs from this model as SyncData. This should
   // include every search engine and no Extension keywords.
   virtual syncer::SyncDataList GetAllSyncData(
       syncer::ModelType type) const OVERRIDE;
   // Process new search engine changes from Sync, merging them into our local
   // data. This may send notifications if local search engines are added,
   // updated or removed.
   virtual syncer::SyncError ProcessSyncChanges(
@@ skipping 393 matching lines @@
 
   // This is used to log the origin of changes to the default search provider.
   // We set this value to increasingly specific values when we know what is the
   // cause/origin of a default search change.
   DefaultSearchChangeOrigin dsp_change_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURLService);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_