Fix the wrong relative coordinates from EventDispatch

ui/aura/window_event_dispatcher.h

Index: ui/aura/window_event_dispatcher.h
diff --git a/ui/aura/window_event_dispatcher.h b/ui/aura/window_event_dispatcher.h
index 6b1cadc54474e27e073b45397e3ac1c733c74347..0376fb692345a378a9aa3d8f79e07fe616571d12 100644
--- a/ui/aura/window_event_dispatcher.h
+++ b/ui/aura/window_event_dispatcher.h
@@ -78,8 +78,9 @@ class AURA_EXPORT WindowEventDispatcher : public ui::EventProcessor,
 
   // Dispatches a ui::ET_MOUSE_EXITED event at |point|.
   // TODO(beng): needed only for WTH::OnCursorVisibilityChanged().
-  ui::EventDispatchDetails DispatchMouseExitAtPoint(
-      const gfx::Point& point) WARN_UNUSED_RESULT;
+  ui::EventDispatchDetails DispatchMouseExitAtPoint(Window* window,

[sky, 2015/01/06 16:51:30]

You need to document what |window| and |target| on 155 are. You should rename
|window| here to |target| for better consistency.

[Miyoung Shin, 2015/01/07 07:30:48]

ok. 

+                                                    const gfx::Point& point)
+      WARN_UNUSED_RESULT;
 
   // Gesture Recognition -------------------------------------------------------
 
@@ -151,9 +152,10 @@ class AURA_EXPORT WindowEventDispatcher : public ui::EventProcessor,
 
   // Dispatches the specified event type (intended for enter/exit) to the
   // |mouse_moved_handler_|.
-  ui::EventDispatchDetails DispatchMouseEnterOrExit(
-      const ui::MouseEvent& event,
-      ui::EventType type) WARN_UNUSED_RESULT;
+  ui::EventDispatchDetails DispatchMouseEnterOrExit(Window* target,
+                                                    const ui::MouseEvent& event,
+                                                    ui::EventType type)
+      WARN_UNUSED_RESULT;
   ui::EventDispatchDetails ProcessGestures(
       ui::GestureRecognizer::Gestures* gestures) WARN_UNUSED_RESULT;