Extend contextMenus API to support browser/page actions

chrome/browser/extensions/menu_manager_factory.cc

Index: chrome/browser/extensions/menu_manager_factory.cc
diff --git a/chrome/browser/extensions/menu_manager_factory.cc b/chrome/browser/extensions/menu_manager_factory.cc
index c90d888a4f34656e3edfa2bd30569ddebf5970d4..b02f671666dcd0c90563a54cf78816880b9ef02f 100644
--- a/chrome/browser/extensions/menu_manager_factory.cc
+++ b/chrome/browser/extensions/menu_manager_factory.cc
@@ -25,6 +25,13 @@ MenuManagerFactory* MenuManagerFactory::GetInstance() {
   return Singleton<MenuManagerFactory>::get();
 }
 
+// static
+KeyedService* MenuManagerFactory::BuildInstanceFor(
+    content::BrowserContext* context) {
+  Profile* profile = Profile::FromBrowserContext(context);
+  return new MenuManager(profile, ExtensionSystem::Get(profile)->state_store());
+}
+
 MenuManagerFactory::MenuManagerFactory()
     : BrowserContextKeyedServiceFactory(
         "MenuManager",
@@ -36,10 +43,7 @@ MenuManagerFactory::~MenuManagerFactory() {}
 
 KeyedService* MenuManagerFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
-  Profile* profile = Profile::FromBrowserContext(context);
-  return new MenuManager(
-      profile,
-      ExtensionSystem::Get(profile)->state_store());
+  return BuildInstanceFor(context);
 }
 
 content::BrowserContext* MenuManagerFactory::GetBrowserContextToUse(