Remove unnecessary image downloading handler of notifications.

chrome/browser/notifications/notification_test_util.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_test_util.h"
 
 MockNotificationDelegate::MockNotificationDelegate(const std::string& id)
     : id_(id) {}
 
 MockNotificationDelegate::~MockNotificationDelegate() {}
 
 std::string MockNotificationDelegate::id() const { return id_; }
 
-content::WebContents* MockNotificationDelegate::GetWebContents() const {
-  return NULL;
-}
-
 StubNotificationUIManager::StubNotificationUIManager(const GURL& welcome_origin)
-    : notification_(GURL(),
-                    gfx::Image(),
+    : notification_(message_center::NOTIFICATION_TYPE_SIMPLE,
+                    GURL(),
                     base::string16(),
                     base::string16(),
+                    gfx::Image(),
                     blink::WebTextDirectionDefault,
+                    message_center::NotifierId(),
                     base::string16(),
                     base::string16(),
+                    message_center::RichNotificationData(),
                     new MockNotificationDelegate("stub")),
       welcome_origin_(welcome_origin),
       welcomed_(false),
       added_notifications_(0U) {}
 
 StubNotificationUIManager::~StubNotificationUIManager() {}
 
 void StubNotificationUIManager::Add(const Notification& notification,
                                     Profile* profile) {
   // Make a deep copy of the notification that we can inspect.
@@ skipping 36 matching lines @@
 bool StubNotificationUIManager::CancelAllBySourceOrigin(
     const GURL& source_origin) {
   return false;
 }
 
 bool StubNotificationUIManager::CancelAllByProfile(Profile* profile) {
   return false;
 }
 
 void StubNotificationUIManager::CancelAll() {}