Revert 13676 - Revert 131665 - Add a preference for why an extension is disabled.

chrome/browser/extensions/extension_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_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 324 matching lines @@
       const std::string& extension_id) const OVERRIDE;
   virtual bool IsExternalExtensionUninstalled(
       const std::string& extension_id) const OVERRIDE;
 
   // Enables the extension.  If the extension is already enabled, does
   // nothing.
   virtual void EnableExtension(const std::string& extension_id);
 
   // Disables the extension.  If the extension is already disabled, or
   // cannot be disabled, does nothing.
-  virtual void DisableExtension(const std::string& extension_id);
+  virtual void DisableExtension(const std::string& extension_id,
+                                Extension::DisableReason disable_reason);
 
   // Updates the |extension|'s granted permissions lists to include all
   // permissions in the |extension|'s manifest and re-enables the
   // extension.
   void GrantPermissionsAndEnableExtension(const Extension* extension);
 
   // Check for updates (or potentially new extensions from external providers)
   void CheckForExternalUpdates();
 
   // Unload the specified extension.
@@ skipping 488 matching lines @@
   scoped_ptr<ExtensionGlobalError> extension_global_error_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_