Revert of Chromecast: Play audio streams not supported by CMA via default renderer

chromecast/renderer/media/cma_media_renderer_factory.cc

+// Copyright 2014 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/renderer/media/cma_media_renderer_factory.h"
+
+#include "base/command_line.h"
+#include "chromecast/media/cma/filters/cma_renderer.h"
+#include "chromecast/renderer/media/media_pipeline_proxy.h"
+#include "content/public/renderer/render_thread.h"
+
+namespace chromecast {
+namespace media {
+
+CmaMediaRendererFactory::CmaMediaRendererFactory(int render_frame_id)
+    : render_frame_id_(render_frame_id) {
+}
+
+CmaMediaRendererFactory::~CmaMediaRendererFactory() {
+}
+
+scoped_ptr< ::media::Renderer> CmaMediaRendererFactory::CreateRenderer(
+    const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+    ::media::AudioRendererSink* audio_renderer_sink) {
+  // TODO(erickung): crbug.com/443956. Need to provide right LoadType.
+  LoadType cma_load_type = kLoadTypeMediaSource;
+  scoped_ptr<MediaPipeline> cma_media_pipeline(
+      new MediaPipelineProxy(
+          render_frame_id_,
+          content::RenderThread::Get()->GetIOMessageLoopProxy(),
+          cma_load_type));
+  return scoped_ptr< ::media::Renderer>(
+      new CmaRenderer(cma_media_pipeline.Pass()));
+}
+
+}  // namespace media
+}  // namespace chromecast