Add different error codes for getUserMedia.

chrome/browser/media/media_capture_devices_dispatcher.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_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
 #define CHROME_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 176 matching lines @@
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback,
       const extensions::Extension* extension);
   void ProcessRegularMediaAccessRequest(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback);
   void ProcessQueuedAccessRequest(content::WebContents* web_contents);
   void OnAccessRequestResponse(content::WebContents* web_contents,
                                const content::MediaStreamDevices& devices,
+                               content::MediaStreamRequestResult result,
                                scoped_ptr<content::MediaStreamUI> ui);
 
   // Called by the MediaObserver() functions, executed on UI thread.
   void UpdateAudioDevicesOnUIThread(const content::MediaStreamDevices& devices);
   void UpdateVideoDevicesOnUIThread(const content::MediaStreamDevices& devices);
   void UpdateMediaRequestStateOnUIThread(
       int render_process_id,
       int render_view_id,
       int page_request_id,
       const GURL& security_origin,
@@ skipping 36 matching lines @@
     int render_view_id;
     int page_request_id;
   };
   typedef std::list<DesktopCaptureSession> DesktopCaptureSessions;
   DesktopCaptureSessions desktop_capture_sessions_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaCaptureDevicesDispatcher);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_