Pass InitializeCDM() call through IPC to the browser.

content/browser/android/media_player_manager_impl.cc

Index: content/browser/android/media_player_manager_impl.cc
diff --git a/content/browser/android/media_player_manager_impl.cc b/content/browser/android/media_player_manager_impl.cc
index 93c355a8a4a99a7956751bb6a5baa92208014feb..ae404e8a4f0b38a65f8fecb83bb79af3b804fd04 100644
--- a/content/browser/android/media_player_manager_impl.cc
+++ b/content/browser/android/media_player_manager_impl.cc
@@ -75,6 +75,8 @@ bool MediaPlayerManagerImpl::OnMessageReceived(const IPC::Message& msg) {
                         OnDurationChanged)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaSeekRequestAck,
                         OnMediaSeekRequestAck)
+    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_InitializeCDM,
+                        OnInitializeCDM)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_GenerateKeyRequest,
                         OnGenerateKeyRequest)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_AddKey, OnAddKey)
@@ -435,11 +437,15 @@ void MediaPlayerManagerImpl::OnMediaSeekRequestAck(
     player->OnSeekRequestAck(seek_request_id);
 }
 
+void MediaPlayerManagerImpl::OnInitializeCDM(int media_keys_id,
+                                             const std::vector<uint8>& uuid) {
+  // TODO(qinmin/xhwang): Create a MediaDrmBridge.
+}
+
 void MediaPlayerManagerImpl::OnGenerateKeyRequest(
     int media_keys_id,
     const std::string& type,
     const std::vector<uint8>& init_data) {
-  // TODO(qinmin): add a new MediaDrmBridge if GetDrmBridge() returns NULL.
   MediaDrmBridge* drm_bridge = GetDrmBridge(media_keys_id);
   if (drm_bridge) {
     drm_bridge->GenerateKeyRequest(type, &init_data[0], init_data.size());