Addressing sadruls comments from the previous CL https://codereview.chromium.org/22865036/ which was

ui/aura/root_window.h

Index: ui/aura/root_window.h
===================================================================
--- ui/aura/root_window.h	(revision 219190)
+++ ui/aura/root_window.h	(working copy)
@@ -381,6 +381,9 @@
   bool DispatchMouseEventRepost(ui::MouseEvent* event);
   bool DispatchMouseEventToTarget(ui::MouseEvent* event, Window* target);
   bool DispatchTouchEventImpl(ui::TouchEvent* event);
+  // Reposts the gesture event to the Window which is a target for the event
+  // passed in.
+  bool DispatchGestureEventRepost(ui::GestureEvent* event);
   void DispatchHeldEvents();
 
   // Parses the switch describing the initial size for the host window and
@@ -397,10 +400,6 @@
 
   gfx::Transform GetInverseRootTransform() const;
 
-  // Reposts the gesture event to the Window which is a target for the event
-  // passed in.
-  bool DispatchGestureEventRepost(ui::GestureEvent* event);
-
   scoped_ptr<ui::Compositor> compositor_;
 
   scoped_ptr<RootWindowHost> host_;