Manifest handler for all keys background-related.

chrome/browser/extensions/api/themes/theme_api.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/extensions/api/themes/theme_api.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/common/extensions/api/themes/theme_handler.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/manifest_handler.h"
 
 namespace extensions {
 
 ThemeAPI::ThemeAPI(Profile* profile) {
-  // Register the ManifestHandler for parsing 'theme' manifest key.
-  extensions::ManifestHandler::Register(
-      extension_manifest_keys::kTheme,
-      make_linked_ptr(new extensions::ThemeHandler));
+  (new extensions::ThemeHandler)->Register();
 }
 
 ThemeAPI::~ThemeAPI() {
 }
 
 static base::LazyInstance<ProfileKeyedAPIFactory<ThemeAPI> >
 g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 ProfileKeyedAPIFactory<ThemeAPI>* ThemeAPI::GetFactoryInstance() {
   return &g_factory.Get();
 }
 
 }  // namespace extensions