Move ExtensionPrefs and friends to extensions/ directory.

chrome/browser/extensions/api/module/module.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/api/module/module.h"
 
 #include <string>
 
 #include "base/values.h"
-#include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
+#include "extensions/browser/extension_prefs.h"
 
 namespace extensions {
 
 namespace extension {
 
 namespace {
 
 // A preference for storing the extension's update URL data. If not empty, the
 // the ExtensionUpdater will append a ap= parameter to the URL when checking if
 // a new version of the extension is available.
@@ skipping 39 matching lines @@
   ExtensionService* ext_service =
       ExtensionSystem::Get(GetProfile())->extension_service();
   const Extension* extension = GetExtension();
 
   SetResult(new base::FundamentalValue(
       extension_util::AllowFileAccess(extension, ext_service)));
   return true;
 }
 
 }  // namespace extensions