Load CMA backend from shared library

chromecast/browser/media/cma_message_filter_host.cc

Index: chromecast/browser/media/cma_message_filter_host.cc
diff --git a/chromecast/browser/media/cma_message_filter_host.cc b/chromecast/browser/media/cma_message_filter_host.cc
index 226d5744b39b33538deef6d9c4f15b618d2a90c4..71ea3201d095ce7af0134bf08926373b6dff0fdd 100644
--- a/chromecast/browser/media/cma_message_filter_host.cc
+++ b/chromecast/browser/media/cma_message_filter_host.cc
@@ -299,10 +299,10 @@ void UpdateVideoSurfaceHost(int surface_id, const gfx::QuadF& quad) {
 
 CmaMessageFilterHost::CmaMessageFilterHost(
     int render_process_id,
-    const media::CreatePipelineDeviceCB& create_pipeline_device_cb)
+    const CreateDeviceComponentsCB& create_device_components_cb)
     : content::BrowserMessageFilter(CastMediaMsgStart),
       process_id_(render_process_id),
-      create_pipeline_device_cb_(create_pipeline_device_cb),
+      create_device_components_cb_(create_device_components_cb),
       task_runner_(MediaMessageLoop::GetTaskRunner()),
       weak_factory_(this) {
   weak_this_ = weak_factory_.GetWeakPtr();
@@ -387,7 +387,7 @@ void CmaMessageFilterHost::CreateMedia(int media_id, LoadType load_type) {
   task_runner_->PostTask(
       FROM_HERE, base::Bind(&MediaPipelineHost::Initialize,
                             base::Unretained(media_pipeline_host.get()),
-                            load_type, client, create_pipeline_device_cb_));
+                            load_type, client, create_device_components_cb_));
   std::pair<MediaPipelineMap::iterator, bool> ret =
     media_pipelines_.insert(
         std::make_pair(media_id, media_pipeline_host.release()));