Add different error codes for getUserMedia.

content/browser/renderer_host/media/media_stream_dispatcher_host.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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 20 matching lines @@
       const ResourceContext::SaltCallback& salt_callback,
       MediaStreamManager* media_stream_manager);
 
   // MediaStreamRequester implementation.
   virtual void StreamGenerated(
       int render_view_id,
       int page_request_id,
       const std::string& label,
       const StreamDeviceInfoArray& audio_devices,
       const StreamDeviceInfoArray& video_devices) OVERRIDE;
-  virtual void StreamGenerationFailed(int render_view_id,
-                                      int page_request_id) OVERRIDE;
+  virtual void StreamGenerationFailed(
+      int render_view_id,
+      int page_request_id,
+      content::MediaStreamRequestResult result) OVERRIDE;
   virtual void DeviceStopped(int render_view_id,
                              const std::string& label,
                              const StreamDeviceInfo& device) OVERRIDE;
   virtual void DevicesEnumerated(int render_view_id,
                                  int page_request_id,
                                  const std::string& label,
                                  const StreamDeviceInfoArray& devices) OVERRIDE;
   virtual void DeviceOpened(int render_view_id,
                             int page_request_id,
                             const std::string& label,
@@ skipping 43 matching lines @@
   int render_process_id_;
   ResourceContext::SaltCallback salt_callback_;
   MediaStreamManager* media_stream_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_