Hook up RendererMediaSessionManager with browser side

content/browser/media/android/browser_media_session_manager.cc

Index: content/browser/media/android/browser_media_session_manager.cc
diff --git a/content/browser/media/android/browser_media_session_manager.cc b/content/browser/media/android/browser_media_session_manager.cc
new file mode 100644
index 0000000000000000000000000000000000000000..146a60fe970ae9da7f0fe9a4b56f044ecdfeec77
--- /dev/null
+++ b/content/browser/media/android/browser_media_session_manager.cc
@@ -0,0 +1,34 @@
+// 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 "content/browser/media/android/browser_media_session_manager.h"
+
+#include "content/common/media/media_session_messages_android.h"
+#include "content/public/browser/render_frame_host.h"
+
+namespace content {
+
+BrowserMediaSessionManager::BrowserMediaSessionManager(
+    RenderFrameHost* render_frame_host)
+    : render_frame_host_(render_frame_host) {}
+
+void BrowserMediaSessionManager::OnActivate(int session_id, int request_id) {
+  NOTIMPLEMENTED();
+  Send(new MediaSessionMsg_DidActivate(GetRoutingID(), request_id, false));
+}
+
+void BrowserMediaSessionManager::OnDeactivate(int session_id, int request_id) {
+  NOTIMPLEMENTED();
+  Send(new MediaSessionMsg_DidDeactivate(GetRoutingID(), request_id));
+}
+
+int BrowserMediaSessionManager::GetRoutingID() const {
+  return render_frame_host_->GetRoutingID();
+}
+
+bool BrowserMediaSessionManager::Send(IPC::Message* msg) {
+  return render_frame_host_->Send(msg);
+}
+
+}  // namespace content