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}

modules/video_coding/codecs/vp8/include/vp8.h

@@ -0,0 +1,35 @@
+/*
+ *  Copyright (c) 2012 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.
+ *
+ *  WEBRTC VP8 wrapper interface
+ */
+
+#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_H_
+#define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_H_
+
+#include "webrtc/modules/video_coding/include/video_codec_interface.h"
+
+namespace webrtc {
+
+class VP8Encoder : public VideoEncoder {
+ public:
+  static VP8Encoder* Create();
+
+  virtual ~VP8Encoder() {}
+};  // end of VP8Encoder class
+
+class VP8Decoder : public VideoDecoder {
+ public:
+  static VP8Decoder* Create();
+
+  virtual ~VP8Decoder() {}
+};  // end of VP8Decoder class
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_H_

modules/video_coding/codecs/vp8/include/vp8_common_types.h

@@ -0,0 +1,29 @@
+/*
+ *  Copyright (c) 2011 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.
+ */
+
+#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_
+#define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_
+
+#include "webrtc/common_types.h"
+
+namespace webrtc {
+
+// Ratio allocation between temporal streams:
+// Values as required for the VP8 codec (accumulating).
+static const float
+    kVp8LayerRateAlloction[kMaxSimulcastStreams][kMaxTemporalStreams] = {
+        {1.0f, 1.0f, 1.0f, 1.0f},  // 1 layer
+        {0.6f, 1.0f, 1.0f, 1.0f},  // 2 layers {60%, 40%}
+        {0.4f, 0.6f, 1.0f, 1.0f},  // 3 layers {40%, 20%, 40%}
+        {0.25f, 0.4f, 0.6f, 1.0f}  // 4 layers {25%, 15%, 20%, 40%}
+};
+
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_

modules/video_coding/codecs/vp8/include/vp8_globals.h

@@ -0,0 +1,49 @@
+/*
+ *  Copyright (c) 2016 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.
+ */
+
+// This file contains codec dependent definitions that are needed in
+// order to compile the WebRTC codebase, even if this codec is not used.
+
+#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_
+#define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_
+
+#include "webrtc/modules/video_coding/codecs/interface/common_constants.h"
+
+namespace webrtc {
+
+struct RTPVideoHeaderVP8 {
+  void InitRTPVideoHeaderVP8() {
+    nonReference = false;
+    pictureId = kNoPictureId;
+    tl0PicIdx = kNoTl0PicIdx;
+    temporalIdx = kNoTemporalIdx;
+    layerSync = false;
+    keyIdx = kNoKeyIdx;
+    partitionId = 0;
+    beginningOfPartition = false;
+  }
+
+  bool nonReference;          // Frame is discardable.
+  int16_t pictureId;          // Picture ID index, 15 bits;
+                              // kNoPictureId if PictureID does not exist.
+  int16_t tl0PicIdx;          // TL0PIC_IDX, 8 bits;
+                              // kNoTl0PicIdx means no value provided.
+  uint8_t temporalIdx;        // Temporal layer index, or kNoTemporalIdx.
+  bool layerSync;             // This frame is a layer sync frame.
+                              // Disabled if temporalIdx == kNoTemporalIdx.
+  int keyIdx;                 // 5 bits; kNoKeyIdx means not used.
+  int partitionId;            // VP8 partition ID
+  bool beginningOfPartition;  // True if this packet is the first
+                              // in a VP8 partition. Otherwise false
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_