Move content settings extension API to content_settings dir.

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 1207 matching lines @@
 }
 
 ExtensionPrefs* ExtensionService::extension_prefs() {
   return extension_prefs_;
 }
 
 extensions::SettingsFrontend* ExtensionService::settings_frontend() {
   return settings_frontend_.get();
 }
 
-ExtensionContentSettingsStore*
-    ExtensionService::GetExtensionContentSettingsStore() {
+extensions::ContentSettingsStore* ExtensionService::GetContentSettingsStore() {
   return extension_prefs()->content_settings_store();
 }
 
 bool ExtensionService::is_ready() {
   return ready_;
 }
 
 extensions::ExtensionUpdater* ExtensionService::updater() {
   return updater_.get();
 }
@@ skipping 1398 matching lines @@
   // To coexist with certain unit tests that don't have an IO thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy an
   // APIResourceController.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!api_resource_controller_) {
     api_resource_controller_ = new extensions::APIResourceController();
   }
   return api_resource_controller_;
 }