Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/ui/app_list/recommended_apps.h

 // Copyright 2013 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_UI_APP_LIST_RECOMMENDED_APPS_H_
 #define CHROME_BROWSER_UI_APP_LIST_RECOMMENDED_APPS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 39 matching lines @@
       const std::string& old_name) OVERRIDE;
   virtual void OnExtensionLoaded(
       content::BrowserContext* browser_context,
       const extensions::Extension* extension) OVERRIDE;
   virtual void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
       const extensions::Extension* extension,
       extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE;
   virtual void OnExtensionUninstalled(
       content::BrowserContext* browser_context,
-      const extensions::Extension* extension) OVERRIDE;
+      const extensions::Extension* extension,
+      extensions::UninstallReason reason) OVERRIDE;
 
   Profile* profile_;
   PrefChangeRegistrar pref_change_registrar_;
 
   Apps apps_;
   ObserverList<RecommendedAppsObserver, true> observers_;
 
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(RecommendedApps);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_RECOMMENDED_APPS_H_