Refactored SettingsFrontend and forwarding of calls to the backends.

chrome/browser/extensions/extension_service.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 1786 matching lines @@
   // Keep information about the extension so that we can reload it later
   // even if it's not permanently installed.
   unloaded_extension_paths_[extension->id()] = extension->path();
 
   // Clean up if the extension is meant to be enabled after a reload.
   disabled_extension_paths_.erase(extension->id());
 
   // Clean up runtime data.
   extension_runtime_data_.erase(extension_id);
 
-if (disabled_extensions_.Contains(extension->id())) {
+  if (disabled_extensions_.Contains(extension->id())) {
     UnloadedExtensionInfo details(extension, reason);
     details.already_disabled = true;
     disabled_extensions_.Remove(extension->id());
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_EXTENSION_UNLOADED,
         content::Source<Profile>(profile_),
         content::Details<UnloadedExtensionInfo>(&details));
     // Make sure the profile cleans up its RequestContexts when an already
     // disabled extension is unloaded (since they are also tracking the disabled
     // extensions).
     system_->UnregisterExtensionWithRequestContexts(extension_id, reason);
     return;
   }
 
-// Remove the extension from our list.
+  // Remove the extension from our list.
   extensions_.Remove(extension->id());
 
   NotifyExtensionUnloaded(extension.get(), reason);
 }
 
 void ExtensionService::UnloadAllExtensions() {
   profile_->GetExtensionSpecialStoragePolicy()->
       RevokeRightsForAllExtensions();
 
   extensions_.Clear();
@@ skipping 720 matching lines @@
 
   // To coexist with certain unit tests that don't have a work-thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy an
   // APIResourceController.
   if (!api_resource_controller_.get()) {
     api_resource_controller_.reset(new extensions::APIResourceController());
   }
   return api_resource_controller_.get();
 }