Adds MediaClientAndroid to support embedder/MediaDrmBridge interaction.

media/base/android/media_drm_bridge_delegate.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 "media/base/android/media_drm_bridge_delegate.h"
+
+namespace media {
+
+MediaDrmBridgeDelegate::MediaDrmBridgeDelegate() {
+}
+
+MediaDrmBridgeDelegate::~MediaDrmBridgeDelegate() {
+}
+
+bool MediaDrmBridgeDelegate::OnCreateSession(
+    const EmeInitDataType init_data_type,
+    const uint8_t* init_data,
+    int init_data_length,
+    std::vector<uint8_t>& init_data_out,
+    std::vector<std::string>& optional_parameters_out) {
+  return true;

[xhwang, 2015/04/24 04:52:24]

DCHECK(init_data_out->empty())

[gunsch, 2015/04/27 23:44:12]

Done.

+}
+
+}  // namespace media