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

chrome/browser/extensions/api/cookies/cookies_api.cc

Index: chrome/browser/extensions/api/cookies/cookies_api.cc
diff --git a/chrome/browser/extensions/api/cookies/cookies_api.cc b/chrome/browser/extensions/api/cookies/cookies_api.cc
index a0e54ad849ec0d2f176203a89932212a192ec46e..1a34a18919a05353cbe38dc0aca11da7ba966f10 100644
--- a/chrome/browser/extensions/api/cookies/cookies_api.cc
+++ b/chrome/browser/extensions/api/cookies/cookies_api.cc
@@ -556,19 +556,18 @@ void CookiesAPI::Shutdown() {
   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
 }
 
-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() {
+// 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);
+}
+
 }  // namespace extensions