Video Capture: Allow suspension of individual devices.

content/common/media/video_capture.h

 // Copyright (c) 2011 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.
 //
 // This file contains commonly used definitions of video capture.
 
 #ifndef CONTENT_COMMON_MEDIA_VIDEO_CAPTURE_H_
 #define CONTENT_COMMON_MEDIA_VIDEO_CAPTURE_H_
 
 #include "base/callback.h"
 #include "media/base/video_capture_types.h"
 #include "media/base/video_capturer_source.h"
 
 namespace content {
 
 using VideoCaptureDeviceFormatsCB =
     media::VideoCapturerSource::VideoCaptureDeviceFormatsCB;
 
 using VideoCaptureDeliverFrameCB =
     media::VideoCapturerSource::VideoCaptureDeliverFrameCB;
 
 // Current status of the video capture device. It's used by multiple classes in
 // browser process and renderer process. Browser process sends information about
 // the current capture state and error to the renderer process using this type.
 enum VideoCaptureState {
   VIDEO_CAPTURE_STATE_STARTING,
   VIDEO_CAPTURE_STATE_STARTED,
   VIDEO_CAPTURE_STATE_PAUSED,
+  VIDEO_CAPTURE_STATE_RESUMED,
   VIDEO_CAPTURE_STATE_STOPPING,
   VIDEO_CAPTURE_STATE_STOPPED,
   VIDEO_CAPTURE_STATE_ERROR,
   VIDEO_CAPTURE_STATE_ENDED,
   VIDEO_CAPTURE_STATE_LAST = VIDEO_CAPTURE_STATE_ENDED
 };
 
 using VideoCaptureStateUpdateCB = base::Callback<void(VideoCaptureState)>;
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_MEDIA_VIDEO_CAPTURE_H_