Dismiss EME infobar when WebMediaPlayer is destroyed.

chrome/browser/content_settings/permission_queue_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
 
 #include "base/bind.h"
 #include "chrome/common/content_settings_types.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 22 matching lines @@
   // The InfoBar will be displayed immediately if the tab is not already
   // displaying one, otherwise it'll be queued.
   void CreateInfoBarRequest(const PermissionRequestID& id,
                             const GURL& requesting_frame,
                             const GURL& embedder,
                             PermissionDecidedCallback callback);
 
   // Cancels a specific infobar request.
   void CancelInfoBarRequest(const PermissionRequestID& id);
 
+  // Cancels all infobar requests that match |group_id|.
+  void CancelInfoBarRequests(int group_id);
+
   // Called by the InfoBarDelegate to notify permission has been set.
   // It'll notify and dismiss any other pending InfoBar request for the same
   // |requesting_frame| and embedder.
   void OnPermissionSet(const PermissionRequestID& id,
                        const GURL& requesting_frame,
                        const GURL& embedder,
                        bool update_content_setting,
                        bool allowed);
 
  protected:
@@ skipping 31 matching lines @@
 
   Profile* const profile_;
   ContentSettingsType type_;
   PendingInfoBarRequests pending_infobar_requests_;
   bool in_shutdown_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionQueueController);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_