Pass camera facing to WebKit

media/capture/video_capture_types.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 MEDIA_CAPTURE_VIDEO_CAPTURE_TYPES_H_
 #define MEDIA_CAPTURE_VIDEO_CAPTURE_TYPES_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 10 matching lines @@
 typedef int VideoCaptureSessionId;
 
 // Storage type for the pixels.
 // TODO(mcasas): http://crbug.com/504160 Consider making this an enum class.
 // TODO(chfremer): Extend or remove this enum.
 enum VideoPixelStorage {
   PIXEL_STORAGE_CPU,
   PIXEL_STORAGE_MAX = PIXEL_STORAGE_CPU,
 };
 
+enum class VideoFacingMode {
+  // The source is facing toward the user (a self-view camera).
+  USER = 0,
+  // The source is facing away from the user (viewing the environment).
+  ENVIRONMENT,
+  // The source is facing to the left of the user.
+  LEFT,
+  // The source is facing to the right of the user.
+  RIGHT,

[mcasas, 2017/01/11 22:24:59]

I'd add here NONE/UNKNOWN or similar.

[shenghao, 2017/01/12 08:10:48]

Done.

+};
+
 // Policies for capture devices that have source content that varies in size.
 // It is up to the implementation how the captured content will be transformed
 // (e.g., scaling and/or letterboxing) in order to produce video frames that
 // strictly adheree to one of these policies.
 enum ResolutionChangePolicy {
   // Capture device outputs a fixed resolution all the time. The resolution of
   // the first frame is the resolution for all frames.
   RESOLUTION_POLICY_FIXED_RESOLUTION,
 
   // Capture device is allowed to output frames of varying resolutions. The
@@ skipping 99 matching lines @@
   // Policy for resolution change.
   ResolutionChangePolicy resolution_change_policy;
 
   // User-specified power line frequency.
   PowerLineFrequency power_line_frequency;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_VIDEO_CAPTURE_TYPES_H_