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..b9db291dabafe9dec1a24f401a98ef643136dd64
--- /dev/null
+++ b/chromecast/browser/media/cast_media_client_android.cc
@@ -0,0 +1,52 @@
+// 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 <utility>
+
+#include "base/stl_util.h"
+#include "chromecast/media/base/key_systems_common.h"
+#include "chromecast/media/cdm/playready_drm_delegate_android.h"
+#include "components/cdm/browser/widevine_drm_delegate_android.h"
+
+namespace chromecast {
+namespace media {
+
+CastMediaClientAndroid::CastMediaClientAndroid() {
+#if defined(PLAYREADY_CDM_AVAILABLE)
+  ::media::MediaDrmBridgeDelegate* playready_delegate =
+      new PlayreadyDrmDelegateAndroid();
+  AddKeySystemUUIDMapping(kChromecastPlayreadyKeySystem,
+                          playready_delegate->GetUUID());
+  delegates_[playready_delegate->GetUUID()] = playready_delegate;
+#endif
+
+#if defined(WIDEVINE_CDM_AVAILABLE)
+  // Note: MediaDrmBridge adds the Widevine UUID mapping automatically.
+  delegates_[widevine_delegate->GetUUID()] =
+      new cdm::WidevineDrmDelegateAndroid();
+#endif
+
+  auto platform_mappings = GetPlatformKeySystemUUIDMappings();
+  for (const auto& mapping : platform_mappings) {
+    AddKeySystemUUIDMapping(mapping.first, mapping.second);
+  }
+}
+
+CastMediaClientAndroid::~CastMediaClientAndroid() {
+  STLDeleteContainerPairSecondPointers(delegates_.begin(), delegates_.end());
+}
+
+::media::MediaDrmBridgeDelegate*
+CastMediaClientAndroid::GetMediaDrmBridgeDelegate(
+    const ::media::UUID& scheme_uuid) const {
+  DelegateMap::const_iterator it = delegates_.find(scheme_uuid);
+  if (it == delegates_.end())
+    return nullptr;
+  return it->second;
+}
+
+}  // namespace media
+}  // namespace chromecast