Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/ui/app_list/search/app_search_provider.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_SEARCH_APP_SEARCH_PROVIDER_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_SEARCH_PROVIDER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
 #include "base/scoped_observer.h"
@@ skipping 28 matching lines @@
   // Adds extensions to apps container if they should be displayed.
   void AddApps(const extensions::ExtensionSet& extensions);
   void RefreshApps();
 
   // extensions::ExtensionRegistryObserver overrides:
   virtual void OnExtensionLoaded(
       content::BrowserContext* browser_context,
       const extensions::Extension* extension) OVERRIDE;
   virtual void OnExtensionUninstalled(
       content::BrowserContext* browser_context,
-      const extensions::Extension* extension) OVERRIDE;
+      const extensions::Extension* extension,
+      extensions::UninstallReason reason) OVERRIDE;
 
   Profile* profile_;
   AppListControllerDelegate* list_controller_;
 
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       extension_registry_observer_;
 
   Apps apps_;
 
   DISALLOW_COPY_AND_ASSIGN(AppSearchProvider);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_SEARCH_PROVIDER_H_