Request the icon of a Web Notification in the renderer process.

chrome/browser/notifications/message_center_notifications_browsertest.cc

 // Copyright (c) 2013 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 <map>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 92 matching lines @@
 
   Notification CreateTestNotification(const std::string& id,
                                       TestDelegate** delegate = NULL) {
     TestDelegate* new_delegate = new TestDelegate(id);
     if (delegate) {
       *delegate = new_delegate;
       new_delegate->AddRef();
     }
 
     return Notification(GURL("chrome-test://testing/"),
-                        GURL(),
+                        gfx::Image(),
                         base::ASCIIToUTF16("title"),
                         base::ASCIIToUTF16("message"),
                         blink::WebTextDirectionDefault,
                         base::UTF8ToUTF16("chrome-test://testing/"),
                         base::UTF8ToUTF16("REPLACE-ME"),
                         new_delegate);
   }
 
   Notification CreateRichTestNotification(const std::string& id,
                                           TestDelegate** delegate = NULL) {
@@ skipping 238 matching lines @@
   // Cast so that Observe() is public.
   content::NotificationObserver* observer =
       static_cast<content::NotificationObserver*>(manager());
   observer->Observe(chrome::NOTIFICATION_FULLSCREEN_CHANGED,
                     content::Source<Profile>(profile()),
                     content::Details<bool>(&is_fullscreen));
   EXPECT_FALSE(message_center()->HasPopupNotifications());
 }
 
 #endif  // !defined(OS_MACOSX)