[Athena] Make a quick power button tap suspend the device

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 0594d57138da96f72437d30f99f171fbf97c6db2..e2637820ece499b8b7fda62bc0caa57363c268b6 100644
--- a/athena/screen/public/screen_manager.h
+++ b/athena/screen/public/screen_manager.h
@@ -14,14 +14,6 @@ namespace aura {
 class Window;
 }
 
-namespace ui {
-class LayerAnimator;
-}
-
-namespace wm {
-class FocusRules;
-}
-
 namespace athena {
 class ScreenManagerDelegate;
 
@@ -68,10 +60,6 @@ class ATHENA_EXPORT ScreenManager {
   // instead: http://crbug.com/401044.
   virtual void SetRotation(gfx::Display::Rotation rotation) = 0;
   virtual void SetRotationLocked(bool rotation_locked) = 0;
-
-  // Returns the LayerAnimator to use to animate the entire screen (e.g. fade
-  // screen to white).
-  virtual ui::LayerAnimator* GetScreenAnimator() = 0;
 };
 
 }  // namespace athena