Add suport for changing cursors

ui/aura/remote_root_window_host_win.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/remote_root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 94 matching lines @@
 }
 
 void RemoteRootWindowHostWin::SetBounds(const gfx::Rect& bounds) {
 }
 
 gfx::Point RemoteRootWindowHostWin::GetLocationOnNativeScreen() const {
   return gfx::Point(0, 0);
 }
 
 void RemoteRootWindowHostWin::SetCursor(gfx::NativeCursor native_cursor) {
+  if (!host_)
+    return;
+  host_->Send(
+      new MetroViewerHostMsg_SetCursor(uint64(native_cursor.platform())));
 }
 
 void RemoteRootWindowHostWin::SetCapture() {
 }
 
 void RemoteRootWindowHostWin::ReleaseCapture() {
 }
 
 bool RemoteRootWindowHostWin::QueryMouseLocation(gfx::Point* location_return) {
   POINT pt;
@@ skipping 96 matching lines @@
                      true);
   delegate_->OnHostKeyEvent(&event);
 }
 
 void RemoteRootWindowHostWin::OnVisibilityChanged(bool visible) {
   if (visible)
     delegate_->OnHostActivated();
 }
 
 }  // namespace aura