Remove unnecessary image downloading handler of notifications.

chrome/browser/notifications/notification_object_proxy.cc

Index: chrome/browser/notifications/notification_object_proxy.cc
diff --git a/chrome/browser/notifications/notification_object_proxy.cc b/chrome/browser/notifications/notification_object_proxy.cc
index a21b4c0bf6290b24444fd94e2bf224a4cd0dbdd0..0c54952553b7b7733b65c37a404d8715376a6d99 100644
--- a/chrome/browser/notifications/notification_object_proxy.cc
+++ b/chrome/browser/notifications/notification_object_proxy.cc
@@ -12,11 +12,8 @@
 #include "content/public/browser/web_contents.h"
 
 NotificationObjectProxy::NotificationObjectProxy(
-    content::RenderFrameHost* render_frame_host,
     scoped_ptr<content::DesktopNotificationDelegate> delegate)
-    : render_process_id_(render_frame_host->GetProcess()->GetID()),
-      render_frame_id_(render_frame_host->GetRoutingID()),
-      delegate_(delegate.Pass()),
+    : delegate_(delegate.Pass()),
       displayed_(false),
       id_(base::GenerateGUID()) {
 }
@@ -48,8 +45,3 @@ void NotificationObjectProxy::Click() {
 std::string NotificationObjectProxy::id() const {
   return id_;
 }
-
-content::WebContents* NotificationObjectProxy::GetWebContents() const {
-  return content::WebContents::FromRenderFrameHost(
-      content::RenderFrameHost::FromID(render_process_id_, render_frame_id_));
-}