events: Get rid of GestureStatus 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 9f12a134722fe5a6818ee0b5bbf17ce5bd48f1d7..aabf939d5d05e354399d3a16e8a040ef829974fe 100644
--- a/ash/wm/window_cycle_controller.cc
+++ b/ash/wm/window_cycle_controller.cc
@@ -41,7 +41,7 @@ class WindowCycleEventFilter : public aura::EventFilter {
   virtual ui::TouchStatus PreHandleTouchEvent(
       aura::Window* target,
       ui::TouchEvent* event) OVERRIDE;
-  virtual ui::GestureStatus PreHandleGestureEvent(
+  virtual ui::EventResult PreHandleGestureEvent(
       aura::Window* target,
       ui::GestureEvent* event) OVERRIDE;
  private:
@@ -79,10 +79,10 @@ ui::TouchStatus WindowCycleEventFilter::PreHandleTouchEvent(
   return ui::TOUCH_STATUS_UNKNOWN;  // Not handled.
 }
 
-ui::GestureStatus WindowCycleEventFilter::PreHandleGestureEvent(
+ui::EventResult WindowCycleEventFilter::PreHandleGestureEvent(
     aura::Window* target,
     ui::GestureEvent* event) {
-  return ui::GESTURE_STATUS_UNKNOWN;  // Not handled.
+  return ui::ER_UNHANDLED;  // Not handled.
 }
 
 // Adds all the children of |window| to |windows|.