Aura: Add Window::MoveCursorTo() taking relative location to the window.

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 <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 389 matching lines @@
 
 // static
 void Window::ConvertPointToWindow(const Window* source,
                                   const Window* target,
                                   gfx::Point* point) {
   if (!source)
     return;
   ui::Layer::ConvertPointToLayer(source->layer(), target->layer(), point);
 }
 
+void Window::MoveCursorTo(const gfx::Point& point_in_window) {
+  RootWindow* root_window = GetRootWindow();
+  DCHECK(root_window);
+  gfx::Point point_in_root(point_in_window);
+  ConvertPointToWindow(this, root_window, &point_in_root);
+  root_window->MoveCursorTo(point_in_root);
+}
+
 gfx::NativeCursor Window::GetCursor(const gfx::Point& point) const {
   return delegate_ ? delegate_->GetCursor(point) : gfx::kNullCursor;
 }
 
 void Window::SetEventFilter(EventFilter* event_filter) {
   event_filter_.reset(event_filter);
 }
 
 void Window::AddObserver(WindowObserver* observer) {
   observers_.AddObserver(observer);
@@ skipping 450 matching lines @@
   for (Windows::const_reverse_iterator it = children_.rbegin(),
            rend = children_.rend();
        it != rend; ++it) {
     Window* child = *it;
     child->PrintWindowHierarchy(depth + 1);
   }
 }
 #endif
 
 }  // namespace aura