When extensions use notifications, display the name of the extension in UI ra...

chrome/browser/notifications/notification.h

 // Copyright (c) 2009 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 "chrome/browser/notifications/notification_object_proxy.h"
 #include "googleurl/src/gurl.h"
 
 // Representation of an notification to be shown to the user.  All
 // notifications at this level are HTML, although they may be
 // data: URLs representing simple text+icon notifications.
 class Notification {
  public:
   Notification(const GURL& origin_url, const GURL& content_url,
+               const std::wstring& display_source,
                NotificationObjectProxy* proxy)
       : origin_url_(origin_url),
         content_url_(content_url),
+        display_source_(display_source),
         proxy_(proxy) {
   }
 
   Notification(const Notification& notification)
       : origin_url_(notification.origin_url()),
         content_url_(notification.content_url()),
+        display_source_(notification.display_source()),
         proxy_(notification.proxy()) {
   }
 
   // The URL (may be data:) containing the contents for the notification.
   const GURL& content_url() const { return content_url_; }
 
   // The origin URL of the script which requested the notification.
   const GURL& origin_url() const { return origin_url_; }
 
+  // A display string for the source of the notification.
+  const std::wstring& display_source() const { return display_source_; }
+
   void Display() const { proxy()->Display(); }
   void Error() const { proxy()->Error(); }
   void Close(bool by_user) const { proxy()->Close(by_user); }
 
   bool IsSame(const Notification& other) const {
     return (*proxy_).IsSame(*(other.proxy()));
   }
 
  private:
   NotificationObjectProxy* proxy() const { return proxy_.get(); }
 
   // The Origin of the page/worker which created this notification.
   GURL origin_url_;
 
   // The URL of the HTML content of the toast (may be a data: URL for simple
   // string-based notifications).
   GURL content_url_;
 
+  // The display string for the source of the notification.  Could be
+  // the same as origin_url_, or the name of an extension.
+  std::wstring display_source_;
+
   // A proxy object that allows access back to the JavaScript object that
   // represents the notification, for firing events.
   scoped_refptr<NotificationObjectProxy> proxy_;
 
   // Disallow assign.  Copy constructor written above.
   void operator=(const Notification&);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_