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/src/java/org/webrtc/AndroidVideoTrackSourceObserver.java

@@ -0,0 +1,60 @@
+/*
+ *  Copyright 2017 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;
+
+/** An implementation of CapturerObserver that forwards all calls from Java to the C layer. */
+class AndroidVideoTrackSourceObserver implements VideoCapturer.CapturerObserver {
+  // Pointer to VideoTrackSourceProxy proxying AndroidVideoTrackSource.
+  private final long nativeSource;
+
+  public AndroidVideoTrackSourceObserver(long nativeSource) {
+    this.nativeSource = nativeSource;
+  }
+
+  @Override
+  public void onCapturerStarted(boolean success) {
+    nativeCapturerStarted(nativeSource, success);
+  }
+
+  @Override
+  public void onCapturerStopped() {
+    nativeCapturerStopped(nativeSource);
+  }
+
+  @Override
+  public void onByteBufferFrameCaptured(
+      byte[] data, int width, int height, int rotation, long timeStamp) {
+    nativeOnByteBufferFrameCaptured(
+        nativeSource, data, data.length, width, height, rotation, timeStamp);
+  }
+
+  @Override
+  public void onTextureFrameCaptured(int width, int height, int oesTextureId,
+      float[] transformMatrix, int rotation, long timestamp) {
+    nativeOnTextureFrameCaptured(
+        nativeSource, width, height, oesTextureId, transformMatrix, rotation, timestamp);
+  }
+
+  @Override
+  public void onFrameCaptured(VideoFrame frame) {
+    nativeOnFrameCaptured(nativeSource, frame.getBuffer().getWidth(), frame.getBuffer().getHeight(),
+        frame.getRotation(), frame.getTimestampNs(), frame.getBuffer());
+  }
+
+  private native void nativeCapturerStarted(long nativeSource, boolean success);
+  private native void nativeCapturerStopped(long nativeSource);
+  private native void nativeOnByteBufferFrameCaptured(long nativeSource, byte[] data, int length,
+      int width, int height, int rotation, long timeStamp);
+  private native void nativeOnTextureFrameCaptured(long nativeSource, int width, int height,
+      int oesTextureId, float[] transformMatrix, int rotation, long timestamp);
+  private native void nativeOnFrameCaptured(long nativeSource, int width, int height, int rotation,
+      long timestampNs, VideoFrame.Buffer frame);
+}