Adds MediaClientAndroid to support embedder/MediaDrmBridge interaction.

chromecast/browser/media/cast_media_client_android.cc

Index: chromecast/browser/media/cast_media_client_android.cc
diff --git a/chromecast/browser/media/cast_media_client_android.cc b/chromecast/browser/media/cast_media_client_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..696471e6c0dd368651c9a2f39031af01b42469e7
--- /dev/null
+++ b/chromecast/browser/media/cast_media_client_android.cc
@@ -0,0 +1,44 @@
+// 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/browser/media/cast_media_client_android.h"
+
+#include "chromecast/media/base/key_systems_common.h"
+
+namespace chromecast {
+namespace media {
+
+CastMediaClientAndroid::CastMediaClientAndroid() {
+}
+
+CastMediaClientAndroid::~CastMediaClientAndroid() {
+}
+
+void CastMediaClientAndroid::AddKeySystemUUIDMappings(KeySystemUuidMap* map) {
+  // Note: MediaDrmBridge adds the Widevine UUID mapping automatically.
+#if defined(PLAYREADY_CDM_AVAILABLE)
+  (*map)[kChromecastPlayreadyKeySystem] = playready_delegate_.GetUUID();
+#endif
+
+  auto platform_mappings = GetPlatformKeySystemUUIDMappings();
+  for (const auto& mapping : platform_mappings)
+    map->insert(mapping);
+}
+
+::media::MediaDrmBridgeDelegate*
+CastMediaClientAndroid::GetMediaDrmBridgeDelegate(
+    const ::media::UUID& scheme_uuid) {
+#if defined(PLAYREADY_CDM_AVAILABLE)
+  if (scheme_uuid == playready_delegate_.GetUUID())
+    return &playready_delegate_;
+#endif
+
+  if (scheme_uuid == widevine_delegate_.GetUUID())
+    return &widevine_delegate_;
+
+  return nullptr;
+}
+
+}  // namespace media
+}  // namespace chromecast