Revert 216874 - Use overview mode for alt-tab cycling.

ash/wm/window_selector_controller.h

Index: ash/wm/window_selector_controller.h
===================================================================
--- ash/wm/window_selector_controller.h	(revision 216889)
+++ ash/wm/window_selector_controller.h	(working copy)
@@ -9,7 +9,6 @@
 #include <vector>
 
 #include "ash/ash_export.h"
-#include "ash/wm/window_selector.h"
 #include "ash/wm/window_selector_delegate.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ -19,10 +18,6 @@
 class Window;
 }
 
-namespace ui {
-class EventHandler;
-}
-
 namespace ash {
 
 class WindowSelector;
@@ -44,15 +39,6 @@
   // or touch rather than keypresses.
   void ToggleOverview();
 
-  // Cycles between windows in the given |direction|. It is assumed that the
-  // alt key is held down and a key filter is installed to watch for alt being
-  // released.
-  void HandleCycleWindow(WindowSelector::Direction direction);
-
-  // Informs the controller that the Alt key has been released and it can
-  // terminate the existing multi-step cycle.
-  void AltKeyReleased();
-
   // Returns true if window selection mode is active.
   bool IsSelecting();
 
@@ -62,7 +48,6 @@
 
  private:
   scoped_ptr<WindowSelector> window_selector_;
-  scoped_ptr<ui::EventHandler> event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelectorController);
 };