Pass selected cricket::VideoCodec down to internal H264 encoder

webrtc/modules/video_coding/codecs/h264/include/h264.h

 /*
  *  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.
  *
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
 
-#if defined(WEBRTC_IOS) || defined(WEBRTC_MAC)
-
-#include <Availability.h>
-#if defined(WEBRTC_IOS) || \
-    defined(__MAC_10_8) && __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_8
-#define WEBRTC_VIDEO_TOOLBOX_SUPPORTED 1
-#endif
-
-#endif  // defined(WEBRTC_IOS) || defined(WEBRTC_MAC)
-
+#include "webrtc/media/base/codec.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 
 namespace webrtc {
 
 // Set to disable the H.264 encoder/decoder implementations that are provided if
 // |rtc_use_h264| build flag is true (if false, this function does nothing).
 // This function should only be called before or during WebRTC initialization
 // and is not thread-safe.
 void DisableRtcUseH264();
 
 class H264Encoder : public VideoEncoder {
  public:
-  static H264Encoder* Create();
+  static H264Encoder* Create(const cricket::VideoCodec& codec);
   // If H.264 is supported (any implementation).
   static bool IsSupported();
 
   ~H264Encoder() override {}
 };
 
 class H264Decoder : public VideoDecoder {
  public:
   static H264Decoder* Create();
   static bool IsSupported();
 
   ~H264Decoder() override {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_