1 files changed, 3 insertions, 1 deletions
diff --git a/chrome/browser/extensions/extension_message_service.h b/chrome/browser/extensions/extension_message_service.h
index 29990a9..ef6c1ec 100644
--- a/chrome/browser/extensions/extension_message_service.h
+++ b/chrome/browser/extensions/extension_message_service.h
@@ -11,7 +11,7 @@
 
 #include "base/lock.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
-#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
 
 class MessageLoop;
 class RenderProcessHost;
@@ -94,6 +94,8 @@ class ExtensionMessageService : public NotificationObserver {
   int OpenChannelToExtensionImpl(const std::string& extension_id,
                                  IPC::Message::Sender* source);
 
+  NotificationRegistrar registrar_;
+
   // The UI message loop, used for posting tasks.
   MessageLoop* ui_loop_;