Rotate screen in response to accelerator or device orientation sensors.

athena/system/system_ui_impl.cc

Index: athena/system/system_ui_impl.cc
diff --git a/athena/system/system_ui_impl.cc b/athena/system/system_ui_impl.cc
index 4b94d03a32c47e314b1d94131f802c5d4b6848e1..20ef2e2933bb75ea29bf1a83f6b7fdaaee264c41 100644
--- a/athena/system/system_ui_impl.cc
+++ b/athena/system/system_ui_impl.cc
@@ -4,6 +4,7 @@
 
 #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"
@@ -15,13 +16,15 @@ 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);