Chromecast: adds interfaces for hardware layer of CMA pipeline.

chromecast/media/cma/backend/media_pipeline_device.cc

Index: chromecast/media/cma/backend/media_pipeline_device.cc
diff --git a/chromecast/media/cma/backend/media_pipeline_device.cc b/chromecast/media/cma/backend/media_pipeline_device.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3ebd19b5e5f05fb6a3e615a5c8657ca79c1a7018
--- /dev/null
+++ b/chromecast/media/cma/backend/media_pipeline_device.cc
@@ -0,0 +1,24 @@
+// 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/media/cma/backend/media_pipeline_device.h"
+
+namespace chromecast {
+namespace media {
+
+MediaPipelineDevice::CreateParameters::CreateParameters()
+    : disable_synchronization(false) {
+}
+
+MediaPipelineDevice::CreateParameters::~CreateParameters() {
+}
+
+MediaPipelineDevice::MediaPipelineDevice() {
+}
+
+MediaPipelineDevice::~MediaPipelineDevice() {
+}
+
+}  // namespace media
+}  // namespace chromecast