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

chrome/browser/ui/views/message_center/web_notification_tray_browsertest.cc

 // Copyright 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 "chrome/browser/ui/views/message_center/web_notification_tray.h"
 
 #include <set>
 
 #include "ash/root_window_controller.h"
 #include "ash/system/status_area_widget.h"
@@ skipping 46 matching lines @@
     }
 
    private:
     virtual ~TestNotificationDelegate() {}
 
     std::string id_;
   };
 
   void AddNotification(const std::string& id, const std::string& replace_id) {
     ::Notification notification(GURL("chrome-extension://abbccedd"),
-                                GURL(),
+                                gfx::Image(),
                                 base::ASCIIToUTF16("Test Web Notification"),
                                 base::ASCIIToUTF16(
                                     "Notification message body."),
                                 blink::WebTextDirectionDefault,
                                 base::string16(),
                                 base::ASCIIToUTF16(replace_id),
                                 new TestNotificationDelegate(id));
 
     g_browser_process->notification_ui_manager()->Add(
      notification, browser()->profile());
   }
 
   void UpdateNotification(const std::string& replace_id,
                           const std::string& new_id) {
     ::Notification notification(GURL("chrome-extension://abbccedd"),
-                                GURL(""),
+                                gfx::Image(),
                                 base::ASCIIToUTF16("Updated Web Notification"),
                                 base::ASCIIToUTF16("Updated message body."),
                                 blink::WebTextDirectionDefault,
                                 base::string16(),
                                 base::ASCIIToUTF16(replace_id),
                                 new TestNotificationDelegate(new_id));
 
     g_browser_process->notification_ui_manager()->Add(
      notification, browser()->profile());
   }
@@ skipping 151 matching lines @@
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(tray->status_icon_ == NULL);
   AddNotification("test_id", "replace_id");
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(tray->status_icon_ != NULL);
   RemoveNotification("test_id");
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(tray->status_icon_ == NULL);
 }
 }  // namespace message_center