DeviceOrientation API on ChromeOS

content/public/browser/sensor_manager_delegate.cc

+// Copyright 2014 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/public/browser/sensor_manager_delegate.h"
+
+namespace content {
+
+SensorManagerDelegate* SensorManagerDelegate::delegate_ = nullptr;
+
+SensorManagerDelegate::SensorManagerDelegate() {
+}
+
+SensorManagerDelegate::~SensorManagerDelegate() {
+}
+
+SensorManagerDelegate* SensorManagerDelegate::GetInstance() {
+  return delegate_;
+}
+
+bool SensorManagerDelegate::HasInstance() {
+  return delegate_ != nullptr;
+}
+
+void SensorManagerDelegate::SetDelegate(SensorManagerDelegate* delegate) {
+  delegate_ = delegate;
+}
+
+}  // namespace content