Rotate screen in response to accelerator or device orientation sensors.

athena/screen/public/screen_manager.h

 // 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.
 
 #ifndef ATHENA_SCREEN_PUBLIC_SCREEN_MANAGER_H_
 #define ATHENA_SCREEN_PUBLIC_SCREEN_MANAGER_H_
 
 #include <string>
 
 #include "athena/athena_export.h"
+#include "ui/gfx/display.h"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace wm {
@@ skipping 36 matching lines @@
 
   // Creates the container window on the screen.
   virtual aura::Window* CreateContainer(const ContainerParams& params) = 0;
 
   // Return the context object to be used for widget creation.
   virtual aura::Window* GetContext() = 0;
 
   // Sets the background image.
   virtual void SetBackgroundImage(const gfx::ImageSkia& image) = 0;
 
+  // Get/set screen rotation.
+  virtual gfx::Display::Rotation GetRotation() = 0;
+  virtual void SetRotation(gfx::Display::Rotation rotation) = 0;

[oshima, 2014/08/01 17:15:11]

this is ok for the time being, but we should extract ash's DisplayManager at
some point. 

can you file a bug and add TODO here?

[flackr, 2014/08/06 14:13:51]

Done.

+
   // Create a focus rules.
   // TODO(oshima): Make this virtual function.
   static wm::FocusRules* CreateFocusRules();
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_SCREEN_PUBLIC_SCREEN_MANAGER_H_