Fixing WebRTC after moving from src/webrtc to src/

In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

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


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
diff --git a/video/video_stream_decoder.h b/video/video_stream_decoder.h
index 88cff97..52d0c9a 100644
--- a/video/video_stream_decoder.h
+++ b/video/video_stream_decoder.h
@@ -8,21 +8,21 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_
-#define WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_
+#ifndef VIDEO_VIDEO_STREAM_DECODER_H_
+#define VIDEO_VIDEO_STREAM_DECODER_H_
 
 #include <list>
 #include <map>
 #include <memory>
 #include <vector>
 
-#include "webrtc/media/base/videosinkinterface.h"
-#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
-#include "webrtc/modules/video_coding/include/video_coding_defines.h"
-#include "webrtc/rtc_base/criticalsection.h"
-#include "webrtc/rtc_base/platform_thread.h"
-#include "webrtc/rtc_base/scoped_ref_ptr.h"
-#include "webrtc/typedefs.h"
+#include "media/base/videosinkinterface.h"
+#include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
+#include "modules/video_coding/include/video_coding_defines.h"
+#include "rtc_base/criticalsection.h"
+#include "rtc_base/platform_thread.h"
+#include "rtc_base/scoped_ref_ptr.h"
+#include "typedefs.h"
 
 namespace webrtc {
 
@@ -102,4 +102,4 @@
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_
+#endif  // VIDEO_VIDEO_STREAM_DECODER_H_