Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

sdk/android/api/org/webrtc/RtpReceiver.java

@@ -0,0 +1,80 @@
+/*
+ *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ RtpReceiverInterface. */
+public class RtpReceiver {
+  /** Java wrapper for a C++ RtpReceiverObserverInterface*/
+  public static interface Observer {
+    // Called when the first audio or video packet is received.
+    public void onFirstPacketReceived(MediaStreamTrack.MediaType media_type);
+  }
+
+  final long nativeRtpReceiver;
+  private long nativeObserver;
+
+  private MediaStreamTrack cachedTrack;
+
+  public RtpReceiver(long nativeRtpReceiver) {
+    this.nativeRtpReceiver = nativeRtpReceiver;
+    long track = nativeGetTrack(nativeRtpReceiver);
+    // We can assume that an RtpReceiver always has an associated track.
+    cachedTrack = new MediaStreamTrack(track);
+  }
+
+  public MediaStreamTrack track() {
+    return cachedTrack;
+  }
+
+  public boolean setParameters(RtpParameters parameters) {
+    return nativeSetParameters(nativeRtpReceiver, parameters);
+  }
+
+  public RtpParameters getParameters() {
+    return nativeGetParameters(nativeRtpReceiver);
+  }
+
+  public String id() {
+    return nativeId(nativeRtpReceiver);
+  }
+
+  public void dispose() {
+    cachedTrack.dispose();
+    if (nativeObserver != 0) {
+      nativeUnsetObserver(nativeRtpReceiver, nativeObserver);
+      nativeObserver = 0;
+    }
+    JniCommon.nativeReleaseRef(nativeRtpReceiver);
+  }
+
+  public void SetObserver(Observer observer) {
+    // Unset the existing one before setting a new one.
+    if (nativeObserver != 0) {
+      nativeUnsetObserver(nativeRtpReceiver, nativeObserver);
+    }
+    nativeObserver = nativeSetObserver(nativeRtpReceiver, observer);
+  }
+
+  // This should increment the reference count of the track.
+  // Will be released in dispose().
+  private static native long nativeGetTrack(long nativeRtpReceiver);
+
+  private static native boolean nativeSetParameters(
+      long nativeRtpReceiver, RtpParameters parameters);
+
+  private static native RtpParameters nativeGetParameters(long nativeRtpReceiver);
+
+  private static native String nativeId(long nativeRtpReceiver);
+
+  private static native long nativeSetObserver(long nativeRtpReceiver, Observer observer);
+
+  private static native long nativeUnsetObserver(long nativeRtpReceiver, long nativeObserver);
+};