Interface RTCRtpReceiver and RTCPeerConnection.getReceivers() added.

third_party/WebKit/Source/modules/peerconnection/RTCRtpReceiver.h

Index: third_party/WebKit/Source/modules/peerconnection/RTCRtpReceiver.h
diff --git a/third_party/WebKit/Source/modules/peerconnection/RTCRtpReceiver.h b/third_party/WebKit/Source/modules/peerconnection/RTCRtpReceiver.h
new file mode 100644
index 0000000000000000000000000000000000000000..bc47664985182b0c321569c3e5a413e6bd039a1a
--- /dev/null
+++ b/third_party/WebKit/Source/modules/peerconnection/RTCRtpReceiver.h
@@ -0,0 +1,37 @@
+// Copyright 2017 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 RTCRtpReceiver_h
+#define RTCRtpReceiver_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "modules/mediastream/MediaStreamTrack.h"
+#include "platform/heap/GarbageCollected.h"
+#include "platform/heap/Member.h"
+#include "platform/heap/Visitor.h"
+#include "public/platform/WebRTCRtpReceiver.h"
+
+namespace blink {
+
+// https://w3c.github.io/webrtc-pc/#rtcrtpreceiver-interface
+class RTCRtpReceiver final : public GarbageCollectedFinalized<RTCRtpReceiver>,
+                             public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  // Takes ownership of the receiver.
+  RTCRtpReceiver(std::unique_ptr<WebRTCRtpReceiver>, MediaStreamTrack*);
+
+  MediaStreamTrack* track() const;
+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  std::unique_ptr<WebRTCRtpReceiver> m_receiver;
+  Member<MediaStreamTrack> m_track;
+};
+
+}  // namespace blink
+
+#endif  // RTCRtpReceiver_h