Fix showing the sibling menu on mouse move

ui/aura/window.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/window.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 479 matching lines @@
 }
 
 bool Window::ContainsPoint(const gfx::Point& local_point) const {
   return gfx::Rect(bounds().size()).Contains(local_point);
 }
 
 Window* Window::GetEventHandlerForPoint(const gfx::Point& local_point) {
   return GetWindowForPoint(local_point, true, true);
 }
 
-Window* Window::GetTopWindowContainingPoint(const gfx::Point& local_point) {
-  return GetWindowForPoint(local_point, false, false);
-}
-
 Window* Window::GetToplevelWindow() {
   // TODO: this may need to call to the WindowPort. For mus this may need to
   // return for any top level.
   Window* topmost_window_with_delegate = NULL;
   for (aura::Window* window = this; window != NULL; window = window->parent()) {
     if (window->delegate())
       topmost_window_with_delegate = window;
   }
   return topmost_window_with_delegate;
 }
@@ skipping 571 matching lines @@
     layer_name = "Unnamed Window";
 
   if (id_ != -1)
     layer_name += " " + base::IntToString(id_);
 
   layer()->set_name(layer_name);
 #endif
 }
 
 }  // namespace aura