Add support for echoCancellation and deviceId to MediaStreamTrack.getSettings

third_party/WebKit/public/platform/WebMediaStreamTrack.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 31 matching lines @@
 class WebMediaStreamTrack {
  public:
   enum class FacingMode { kNone, kUser, kEnvironment, kLeft, kRight };
 
   struct Settings {
     bool HasFrameRate() const { return frame_rate >= 0.0; }
     bool HasWidth() const { return width >= 0; }
     bool HasHeight() const { return height >= 0; }
     bool HasAspectRatio() const { return aspect_ratio >= 0.0; }
     bool HasFacingMode() const { return facing_mode != FacingMode::kNone; }
+    bool HasEchoCancellationValue() const { return echo_cancellation >= 0; }
     bool HasVideoKind() const { return !video_kind.IsNull(); }
     bool HasFocalLengthX() const { return focal_length_x >= 0.0; }
     bool HasFocalLengthY() const { return focal_length_y >= 0.0; }
     bool HasDepthNear() const { return depth_near >= 0.0; }
     bool HasDepthFar() const { return depth_far >= 0.0; }
     // The variables are read from
     // MediaStreamTrack::GetSettings only.
     double frame_rate = -1.0;
     long width = -1;
     long height = -1;
     double aspect_ratio = -1.0;
     WebString device_id;
     FacingMode facing_mode = FacingMode::kNone;
+    // |echo_cancellation| should be some form of Optional<bool> instead of int,
+    // but none is available for this file. Using -1 to indicate no value.
+    int echo_cancellation = -1;
     // Media Capture Depth Stream Extensions.
     WebString video_kind;
     double focal_length_x = -1.0;
     double focal_length_y = -1.0;
     double depth_near = -1.0;
     double depth_far = -1.0;
   };
 
   class TrackData {
    public:
@@ skipping 53 matching lines @@
   BLINK_PLATFORM_EXPORT operator MediaStreamComponent*() const;
 #endif
 
  private:
   WebPrivatePtr<MediaStreamComponent> private_;
 };
 
 }  // namespace blink
 
 #endif  // WebMediaStreamTrack_h