NOT FOR LANDING Implement WebMediaSession

content/renderer/media/android/webmediasession_android.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 "content/renderer/media/android/webmediasession_android.h"
+
+#include "base/logging.h"
+#include "content/renderer/media/android/renderer_media_session_manager.h"
+
+namespace content {
+
+WebMediaSessionAndroid::WebMediaSessionAndroid(
+    RendererMediaSessionManager* session_manager)
+    : session_manager_(session_manager) {
+  DCHECK(session_manager_);
+  DCHECK(main_thread_checker_.CalledOnValidThread());
+
+  //session_id_ = session_manager_->RegisterMediaSession(this);
+}
+
+WebMediaSessionAndroid::~WebMediaSessionAndroid() {
+  DCHECK(main_thread_checker_.CalledOnValidThread());
+
+  //session_manager_->UnregisterMediaSession(session_id_);
+}
+
+void WebMediaSessionAndroid::activate() {
+  DCHECK(main_thread_checker_.CalledOnValidThread());
+
+  session_manager_->Activate(session_id_);
+}
+
+void WebMediaSessionAndroid::deactivate() {
+  DCHECK(main_thread_checker_.CalledOnValidThread());
+
+  session_manager_->Deactivate(session_id_);
+}
+
+}  // namespace content