Rotate screen in response to accelerator or device orientation sensors.

athena/screen/public/screen_manager.h

Index: athena/screen/public/screen_manager.h
diff --git a/athena/screen/public/screen_manager.h b/athena/screen/public/screen_manager.h
index 8a82f6c617272a0b59d7d527e61894dd5d3fcd4a..825ec305c0b6e160683097a87fd1215e8fc2df47 100644
--- a/athena/screen/public/screen_manager.h
+++ b/athena/screen/public/screen_manager.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "athena/athena_export.h"
+#include "ui/gfx/display.h"
 
 namespace aura {
 class Window;
@@ -64,6 +65,12 @@ class ATHENA_EXPORT ScreenManager {
   // Sets the background image.
   virtual void SetBackgroundImage(const gfx::ImageSkia& image) = 0;
 
+  // Get/set screen rotation.
+  // TODO(flackr): Extract and use ash DisplayManager to get/set rotation
+  // instead: http://crbug.com/401044.
+  virtual gfx::Display::Rotation GetRotation() = 0;
+  virtual void SetRotation(gfx::Display::Rotation rotation) = 0;
+
   // Create a focus rules.
   // TODO(oshima): Make this virtual function.
   static wm::FocusRules* CreateFocusRules();