Pass camera facing to WebKit

media/capture/video/video_capture_device_descriptor.h

 // Copyright 2016 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_VIDEO_CAPTURE_DEVICE_DESCRIPTOR_H_
 #define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_DESCRIPTOR_H_
 
 #include <string>
 #include <vector>
 
+#include "media/base/video_facing.h"
 #include "media/capture/capture_export.h"
 
 namespace media {
 
 // A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.media
 enum class VideoCaptureApi {
   LINUX_V4L2_SINGLE_PLANE,
   WIN_MEDIA_FOUNDATION,
   WIN_DIRECT_SHOW,
@@ skipping 20 matching lines @@
 // disambiguates the API.
 struct CAPTURE_EXPORT VideoCaptureDeviceDescriptor {
  public:
   VideoCaptureDeviceDescriptor();
   VideoCaptureDeviceDescriptor(
       const std::string& display_name,
       const std::string& device_id,
       VideoCaptureApi capture_api = VideoCaptureApi::UNKNOWN,
       VideoCaptureTransportType transport_type =
           VideoCaptureTransportType::OTHER_TRANSPORT);
-  VideoCaptureDeviceDescriptor(const std::string& display_name,
-                               const std::string& device_id,
-                               const std::string& model_id,
-                               VideoCaptureApi capture_api,
-                               VideoCaptureTransportType transport_type =
-                                   VideoCaptureTransportType::OTHER_TRANSPORT);
+  VideoCaptureDeviceDescriptor(
+      const std::string& display_name,
+      const std::string& device_id,
+      const std::string& model_id,
+      VideoCaptureApi capture_api,
+      VideoCaptureTransportType transport_type =
+          VideoCaptureTransportType::OTHER_TRANSPORT,
+      VideoFacingMode facing = VideoFacingMode::MEDIA_VIDEO_FACING_NONE);
   VideoCaptureDeviceDescriptor(const VideoCaptureDeviceDescriptor& other);
   ~VideoCaptureDeviceDescriptor();
 
   // These operators are needed due to storing the name in an STL container.
   // In the shared build, all methods from the STL container will be exported
   // so even though they're not used, they're still depended upon.
   bool operator==(const VideoCaptureDeviceDescriptor& other) const {
     return (other.device_id == device_id) && (other.capture_api == capture_api);
   }
   bool operator<(const VideoCaptureDeviceDescriptor& other) const {
     if (device_id < other.device_id)
       return true;
     return capture_api < other.capture_api;
   }
 
   const char* GetCaptureApiTypeString() const;
   // Friendly name of a device, plus the model identifier in parentheses.
   std::string GetNameAndModel() const;
 
   std::string display_name;  // Name that is intended for display in the UI
   std::string device_id;
   // A unique hardware identifier of the capture device.
   // It is of the form "[vid]:[pid]" when a USB device is detected, and empty
   // otherwise.
   std::string model_id;
 
+  VideoFacingMode facing;
+
   VideoCaptureApi capture_api;
   VideoCaptureTransportType transport_type;
 };
 
 using VideoCaptureDeviceDescriptors = std::vector<VideoCaptureDeviceDescriptor>;
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_DESCRIPTOR_H_