[Chromecast] Upgrade to new CMA backend API

chromecast/media/base/cast_media_default.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/media/cma/backend/media_pipeline_backend_default.h"
 #include "chromecast/public/cast_media_shlib.h"
 #include "chromecast/public/graphics_types.h"
 #include "chromecast/public/media_codec_support_shlib.h"
 #include "chromecast/public/video_plane.h"
 
@@ skipping 21 matching lines @@
   delete g_video_plane;
   g_video_plane = nullptr;
 }
 
 VideoPlane* CastMediaShlib::GetVideoPlane() {
   return g_video_plane;
 }
 
 MediaPipelineBackend* CastMediaShlib::CreateMediaPipelineBackend(
     const MediaPipelineDeviceParams& params) {
-  return new MediaPipelineBackendDefault(params);
+  return new MediaPipelineBackendDefault();
 }
 
 MediaCodecSupportShlib::CodecSupport MediaCodecSupportShlib::IsSupported(
     const std::string& codec) {
 #if defined(OS_ANDROID)
   // TODO(servolk): Find a way to reuse IsCodecSupportedOnAndroid.
 
   // Theora is not supported
   if (codec == "theora")
     return kNotSupported;
 
   // MPEG-2 variants of AAC are not supported on Android.
   // MPEG2_AAC_MAIN / MPEG2_AAC_LC / MPEG2_AAC_SSR
   if (codec == "mp4a.66" || codec == "mp4a.67" || codec == "mp4a.68")
     return kNotSupported;
 
   // VP9 is guaranteed supported but is often software-decode only.
   // TODO(gunsch/servolk): look into querying for hardware decode support.
   if (codec == "vp9" || codec == "vp9.0")
     return kNotSupported;
 #endif
 
   return kDefault;
 }
 
 }  // namespace media
 }  // namespace chromecast