Remove some Profile-keyed factory boilerplate: management omnibox preference push_messaging.

chrome/browser/extensions/api/cookies/cookies_api.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.
 
 // Implements the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/api/cookies/cookies_api.h"
 
 #include <vector>
 
@@ skipping 538 matching lines @@
       this, keys::kOnChanged);
 }
 
 CookiesAPI::~CookiesAPI() {
 }
 
 void CookiesAPI::Shutdown() {
   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
 }
 
+static base::LazyInstance<ProfileKeyedAPIFactory<CookiesAPI> >
+g_factory = LAZY_INSTANCE_INITIALIZER;
+
+// static
+ProfileKeyedAPIFactory<CookiesAPI>* CookiesAPI::GetFactoryInstance() {
+  return &g_factory.Get();
+}
+
 void CookiesAPI::OnListenerAdded(
     const extensions::EventListenerInfo& details) {
   cookies_event_router_.reset(new CookiesEventRouter(profile_));
   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
 }
 
-static base::LazyInstance<ProfileKeyedAPIFactory<CookiesAPI> >
-g_factory = LAZY_INSTANCE_INITIALIZER;
-
-template <>
-ProfileKeyedAPIFactory<CookiesAPI>*
-ProfileKeyedAPIFactory<CookiesAPI>::GetInstance() {
-  return &g_factory.Get();
-}
-
 }  // namespace extensions