Create a message filter for message port messages. This allows a nice cleanu...

chrome/browser/renderer_host/safe_browsing_resource_handler.h

Index: chrome/browser/renderer_host/safe_browsing_resource_handler.h
===================================================================
--- chrome/browser/renderer_host/safe_browsing_resource_handler.h	(revision 69724)
+++ chrome/browser/renderer_host/safe_browsing_resource_handler.h	(working copy)
@@ -13,8 +13,6 @@
 #include "base/timer.h"
 #include "chrome/browser/renderer_host/resource_handler.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
-#include "chrome/common/notification_observer.h"
-#include "chrome/common/notification_registrar.h"
 
 class ResourceDispatcherHost;
 
@@ -41,8 +39,7 @@
 // If on the other hand the URL was decided to be safe, the request is
 // resumed.
 class SafeBrowsingResourceHandler : public ResourceHandler,
-                                    public SafeBrowsingService::Client,
-                                    public NotificationObserver {
+                                    public SafeBrowsingService::Client {
  public:
   SafeBrowsingResourceHandler(ResourceHandler* handler,
                               int render_process_host_id,
@@ -74,11 +71,6 @@
   // the user has decided to proceed with the current request, or go back.
   virtual void OnBlockingPageComplete(bool proceed);
 
-  // NotificationObserver interface.
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
  private:
   // Describes what phase of the check a handler is in.
   enum State {
@@ -145,7 +137,6 @@
   int deferred_request_id_;
   scoped_refptr<ResourceResponse> deferred_redirect_response_;
 
-  NotificationRegistrar registrar_;
   scoped_refptr<ResourceHandler> next_handler_;
   int render_process_host_id_;
   int render_view_id_;