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/h264/h264.cc

@@ -0,0 +1,79 @@
+/*
+ *  Copyright (c) 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.
+ *
+ */
+
+#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
+
+#if defined(WEBRTC_USE_H264)
+#include "webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h"
+#include "webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h"
+#endif
+
+#include "webrtc/rtc_base/checks.h"
+#include "webrtc/rtc_base/logging.h"
+
+namespace webrtc {
+
+namespace {
+
+#if defined(WEBRTC_USE_H264)
+bool g_rtc_use_h264 = true;
+#endif
+
+}  // namespace
+
+void DisableRtcUseH264() {
+#if defined(WEBRTC_USE_H264)
+  g_rtc_use_h264 = false;
+#endif
+}
+
+// If any H.264 codec is supported (iOS HW or OpenH264/FFmpeg).
+bool IsH264CodecSupported() {
+#if defined(WEBRTC_USE_H264)
+  return g_rtc_use_h264;
+#else
+  return false;
+#endif
+}
+
+H264Encoder* H264Encoder::Create(const cricket::VideoCodec& codec) {
+  RTC_DCHECK(H264Encoder::IsSupported());
+#if defined(WEBRTC_USE_H264)
+  RTC_CHECK(g_rtc_use_h264);
+  LOG(LS_INFO) << "Creating H264EncoderImpl.";
+  return new H264EncoderImpl(codec);
+#else
+  RTC_NOTREACHED();
+  return nullptr;
+#endif
+}
+
+bool H264Encoder::IsSupported() {
+  return IsH264CodecSupported();
+}
+
+H264Decoder* H264Decoder::Create() {
+  RTC_DCHECK(H264Decoder::IsSupported());
+#if defined(WEBRTC_USE_H264)
+  RTC_CHECK(g_rtc_use_h264);
+  LOG(LS_INFO) << "Creating H264DecoderImpl.";
+  return new H264DecoderImpl();
+#else
+  RTC_NOTREACHED();
+  return nullptr;
+#endif
+}
+
+bool H264Decoder::IsSupported() {
+  return IsH264CodecSupported();
+}
+
+}  // namespace webrtc