Reland of Add a webrtc{en,de}coderfactory implementation for VideoToolbox

webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h

Index: webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h
diff --git a/webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_nalu.h b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h
similarity index 92%
rename from webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_nalu.h
rename to webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h
index 7862c3b61830e873e91336b14ee26d23307eb947..23e9f7f7d7d6d2d8b84837d858bbbb0f9065ddbe 100644
--- a/webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_nalu.h
+++ b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h
@@ -9,13 +9,11 @@
  *
  */
 
-#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_NALU_H_
-#define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_NALU_H_
+#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_NALU_H_
+#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_NALU_H_
 
 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
 
-#if defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED)
-
 #include <CoreMedia/CoreMedia.h>
 #include <vector>
 
@@ -111,5 +109,4 @@ class AvccBufferWriter final {
 
 }  // namespace webrtc
 
-#endif  // defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED)
-#endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_NALU_H_
+#endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_NALU_H_