ui: Remove TouchStatus in favour of EventResult.

ash/wm/window_cycle_controller.cc

Index: ash/wm/window_cycle_controller.cc
diff --git a/ash/wm/window_cycle_controller.cc b/ash/wm/window_cycle_controller.cc
index 1e332d3bf148412a7230ee1b5c18894d626b4027..1098ae9e0a601e484e04042e9b468bc3b24f2e63 100644
--- a/ash/wm/window_cycle_controller.cc
+++ b/ash/wm/window_cycle_controller.cc
@@ -38,7 +38,7 @@ class WindowCycleEventFilter : public aura::EventFilter {
                                  ui::KeyEvent* event) OVERRIDE;
   virtual bool PreHandleMouseEvent(aura::Window* target,
                                    ui::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(
+  virtual ui::EventResult PreHandleTouchEvent(
       aura::Window* target,
       ui::TouchEvent* event) OVERRIDE;
   virtual ui::EventResult PreHandleGestureEvent(
@@ -73,10 +73,10 @@ bool WindowCycleEventFilter::PreHandleMouseEvent(
   return false;  // Not handled.
 }
 
-ui::TouchStatus WindowCycleEventFilter::PreHandleTouchEvent(
+ui::EventResult WindowCycleEventFilter::PreHandleTouchEvent(
     aura::Window* target,
     ui::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;  // Not handled.
+  return ui::ER_UNHANDLED;  // Not handled.
 }
 
 ui::EventResult WindowCycleEventFilter::PreHandleGestureEvent(