Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/api/storage/storage_frontend.cc

Index: extensions/browser/api/storage/storage_frontend.cc
diff --git a/extensions/browser/api/storage/storage_frontend.cc b/extensions/browser/api/storage/storage_frontend.cc
index c80439ff62dccb67138f82dade2cf1f92531fcbd..228c077ca444089faa617e71ffc750dc86cf78d8 100644
--- a/extensions/browser/api/storage/storage_frontend.cc
+++ b/extensions/browser/api/storage/storage_frontend.cc
@@ -47,9 +47,8 @@ class DefaultObserver : public SettingsObserver {
     args->Append(base::JSONReader::Read(change_json));
     args->Append(new base::StringValue(settings_namespace::ToString(
         settings_namespace)));
-    scoped_ptr<Event> event(new Event(events::UNKNOWN,
-                                      core_api::storage::OnChanged::kEventName,
-                                      args.Pass()));
+    scoped_ptr<Event> event(new Event(
+        events::UNKNOWN, api::storage::OnChanged::kEventName, args.Pass()));
     EventRouter::Get(browser_context_)
         ->DispatchEventToExtension(extension_id, event.Pass());
   }