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

chrome/browser/extensions/api/managed_mode/managed_mode_api.cc

Index: chrome/browser/extensions/api/managed_mode/managed_mode_api.cc
diff --git a/chrome/browser/extensions/api/managed_mode/managed_mode_api.cc b/chrome/browser/extensions/api/managed_mode/managed_mode_api.cc
index 41dd3be98ec3e840760d5fcd7592ffb1959f1246..eaca495d5b2f0ab20822f0fa7eb353c74992ef44 100644
--- a/chrome/browser/extensions/api/managed_mode/managed_mode_api.cc
+++ b/chrome/browser/extensions/api/managed_mode/managed_mode_api.cc
@@ -137,19 +137,18 @@ void ManagedModeAPI::Shutdown() {
   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
 }
 
-void ManagedModeAPI::OnListenerAdded(
-    const extensions::EventListenerInfo& details) {
-  managed_mode_event_router_.reset(new ManagedModeEventRouter(profile_));
-  ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
-}
-
 static base::LazyInstance<ProfileKeyedAPIFactory<ManagedModeAPI> >
 g_factory = LAZY_INSTANCE_INITIALIZER;
 
-template <>
-ProfileKeyedAPIFactory<ManagedModeAPI>*
-ProfileKeyedAPIFactory<ManagedModeAPI>::GetInstance() {
+// static
+ProfileKeyedAPIFactory<ManagedModeAPI>* ManagedModeAPI::GetFactoryInstance() {
   return &g_factory.Get();
 }
 
+void ManagedModeAPI::OnListenerAdded(
+    const extensions::EventListenerInfo& details) {
+  managed_mode_event_router_.reset(new ManagedModeEventRouter(profile_));
+  ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
+}
+
 }  // namespace extensions