Remove unnecessary image downloading handler of notifications.

chrome/browser/notifications/notification_object_proxy.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/notifications/notification_object_proxy.h"
 
 #include "base/guid.h"
 #include "base/strings/stringprintf.h"
 #include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #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()) {
 }
 
 NotificationObjectProxy::~NotificationObjectProxy() {}
 
 void NotificationObjectProxy::Display() {
   // This method is called each time the notification is shown to the user
   // but we only want to fire the event the first time.
   if (displayed_)
@@ skipping 11 matching lines @@
   delegate_->NotificationClosed(by_user);
 }
 
 void NotificationObjectProxy::Click() {
   delegate_->NotificationClick();
 }
 
 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_));
-}