Add mojom module suffix in .mojom files in content.

content/renderer/notification_permission_dispatcher.h

Index: content/renderer/notification_permission_dispatcher.h
diff --git a/content/renderer/notification_permission_dispatcher.h b/content/renderer/notification_permission_dispatcher.h
index df23dee15b5c811fbab58fdb6a83f4fb494e8917..c4310043c14f2a69d3503bbcedab08fdd3c2c0d9 100644
--- a/content/renderer/notification_permission_dispatcher.h
+++ b/content/renderer/notification_permission_dispatcher.h
@@ -34,9 +34,9 @@ class NotificationPermissionDispatcher : public RenderFrameObserver {
  private:
   void OnPermissionRequestComplete(
       scoped_ptr<blink::WebNotificationPermissionCallback> callback,
-      PermissionStatus status);
+      mojom::PermissionStatus status);
 
-  PermissionServicePtr permission_service_;
+  mojom::PermissionServicePtr permission_service_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationPermissionDispatcher);
 };