Add different error codes for getUserMedia.

content/renderer/pepper/pepper_media_device_manager.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_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_
 
 #include <map>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 42 matching lines @@
   void CloseDevice(const std::string& label);
   // Gets audio/video session ID given a label.
   int GetSessionID(PP_DeviceType_Dev type, const std::string& label);
 
   // MediaStreamDispatcherEventHandler implementation.
   virtual void OnStreamGenerated(
       int request_id,
       const std::string& label,
       const StreamDeviceInfoArray& audio_device_array,
       const StreamDeviceInfoArray& video_device_array) OVERRIDE;
-  virtual void OnStreamGenerationFailed(int request_id) OVERRIDE;
+  virtual void OnStreamGenerationFailed(
+      int request_id,
+      content::MediaStreamRequestResult result) OVERRIDE;
   virtual void OnDeviceStopped(const std::string& label,
                                const StreamDeviceInfo& device_info) OVERRIDE;
   virtual void OnDevicesEnumerated(
       int request_id,
       const StreamDeviceInfoArray& device_array) OVERRIDE;
   virtual void OnDeviceOpened(
       int request_id,
       const std::string& label,
       const StreamDeviceInfo& device_info) OVERRIDE;
   virtual void OnDeviceOpenFailed(int request_id) OVERRIDE;
@@ skipping 18 matching lines @@
 
   typedef std::map<int, OpenDeviceCallback> OpenCallbackMap;
   OpenCallbackMap open_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMediaDeviceManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_