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

chrome/browser/notifications/notification.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "third_party/WebKit/public/web/WebTextDirection.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/notification_types.h"
 #include "url/gurl.h"
 
 namespace gfx {
 class Image;
 }
 
 // Representation of a notification to be shown to the user.
 // On non-Ash platforms these are rendered as HTML, sometimes described by a
 // data url converted from text + icon data. On Ash they are rendered as
 // formated text and icon data.
 class Notification : public message_center::Notification {
  public:
-  // Initializes a notification with text content. On non-ash platforms, this
-  // creates an HTML representation using a data: URL for display.
-  Notification(const GURL& origin_url,
-               const GURL& icon_url,
-               const base::string16& title,
-               const base::string16& body,
-               blink::WebTextDirection dir,
-               const base::string16& display_source,
-               const base::string16& replace_id,
-               NotificationDelegate* delegate);
-
-  // Initializes a notification with text content and an icon image. Currently
-  // only used on Ash. Does not generate content_url_.
+  // Initializes a notification with text content and an icon image.
   Notification(const GURL& origin_url,
                const gfx::Image& icon,
                const base::string16& title,
                const base::string16& body,
                blink::WebTextDirection dir,
                const base::string16& display_source,
                const base::string16& replace_id,
                NotificationDelegate* delegate);
 
   Notification(
       message_center::NotificationType type,
       const GURL& origin_url,
       const base::string16& title,
       const base::string16& body,
       const gfx::Image& icon,
       blink::WebTextDirection dir,
       const message_center::NotifierId& notifier_id,
       const base::string16& display_source,
       const base::string16& replace_id,
       const message_center::RichNotificationData& rich_notification_data,
       NotificationDelegate* delegate);
 
   Notification(const Notification& notification);
   virtual ~Notification();
   Notification& operator=(const Notification& notification);
 
   // The origin URL of the script which requested the notification.
   const GURL& origin_url() const { return origin_url_; }
 
-  // A url for the icon to be shown (optional).
-  const GURL& icon_url() const { return icon_url_; }
-
   // A unique identifier used to update (replace) or remove a notification.
   const base::string16& replace_id() const { return replace_id_; }
 
   // A url for the button icons to be shown (optional).
   const GURL& button_one_icon_url() const { return button_one_icon_url_; }
   const GURL& button_two_icon_url() const { return button_two_icon_url_; }
 
   // A url for the image to be shown (optional).
   const GURL& image_url() const { return image_url_; }
 
   // Id of the delegate embedded inside this instance.
   std::string delegate_id() const { return delegate()->id(); }
   int process_id() const { return delegate()->process_id(); }
 
   content::WebContents* GetWebContents() const {
     return delegate()->GetWebContents();
   }
   void DoneRendering() { delegate()->ReleaseRenderViewHost(); }
 
   NotificationDelegate* delegate() const { return delegate_.get(); }
 
  private:
   // The Origin of the page/worker which created this notification.
   GURL origin_url_;
 
-  // URL for the icon associated with the notification. Requires delegate_
-  // to have a non NULL RenderViewHost.
-  GURL icon_url_;
-
   // The URLs of the button images for a rich notification.
   GURL button_one_icon_url_;
   GURL button_two_icon_url_;
 
   // The URL of a large image to be displayed for a a rich notification.
   GURL image_url_;
 
   // The URL of a small image to be displayed for a a rich notification.
   GURL small_image_url_;
 
   // The user-supplied replace ID for the notification.
   base::string16 replace_id_;
 
   // A proxy object that allows access back to the JavaScript object that
   // represents the notification, for firing events.
   scoped_refptr<NotificationDelegate> delegate_;
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_