DeviceOrientation API on ChromeOS

ash/shell.h

Index: ash/shell.h
diff --git a/ash/shell.h b/ash/shell.h
index e9dd6ecbe98e8ce5e8f795698d7fb29cc837c482..d9e969e6dfa8fd3e5f377d1ff8b2a347e0c40ec3 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -125,6 +125,7 @@ class ScopedTargetRootWindow;
 class ScreenAsh;
 class ScreenOrientationController;
 class ScreenPositionController;
+class SensorManagerDelegateChromeOS;
 class SessionStateDelegate;
 class Shelf;
 class ShelfDelegate;
@@ -736,6 +737,9 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
   // Listens for output changes and updates the display manager.
   scoped_ptr<DisplayChangeObserver> display_change_observer_;
 
+  // Listens for accelerometer events to update the content shell.
+  scoped_ptr<SensorManagerDelegateChromeOS> sensor_manager_delegate_;
+
   // Implements content::ScreenOrientationController for ChromeOS
   scoped_ptr<ScreenOrientationController> screen_orientation_controller_;