Rotate screen in response to accelerator or device orientation sensors.

athena/system/system_ui_impl.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 "athena/system/public/system_ui.h"
 
+#include "athena/system/orientation_controller.h"
 #include "athena/system/power_button_controller.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace athena {
 namespace {
 
 SystemUI* instance = NULL;
 
 class SystemUIImpl : public SystemUI {
  public:
-  SystemUIImpl() : power_button_controller_(new PowerButtonController) {
+  SystemUIImpl() : orientation_controller_(new OrientationController),
+                   power_button_controller_(new PowerButtonController) {
   }
 
   virtual ~SystemUIImpl() {
   }
 
  private:
+  scoped_ptr<OrientationController> orientation_controller_;
   scoped_ptr<PowerButtonController> power_button_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemUIImpl);
 };
 
 }  // namespace
 
 // static
 SystemUI* SystemUI::Create() {
   instance = new SystemUIImpl;
   return instance;
 }
 
 // static
 void SystemUI::Shutdown() {
   CHECK(instance);
   delete instance;
   instance = NULL;
 }
 
 }  // namespace athena