Implement ui_controls for aura

ui/aura/desktop_host_win.cc

 // Copyright (c) 2011 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/desktop_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 188 matching lines @@
   SetWindowPos(
       hwnd(),
       NULL,
       0,
       0,
       window_rect.right - window_rect.left,
       window_rect.bottom - window_rect.top,
       SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREDRAW | SWP_NOREPOSITION);
 }
 
+gfx::Point DesktopHostWin::GetLocationOnNativeScreen() const {
+  RECT r;
+  GetClientRect(hwnd(), &r);
+  return gfx::Point(r.left, r.top);
+}
+
+
 void DesktopHostWin::SetCursor(gfx::NativeCursor native_cursor) {
   // Custom web cursors are handled directly.
   if (native_cursor == kCursorCustom)
     return;
   const wchar_t* cursor_id = GetCursorId(native_cursor);
   // TODO(jamescook): Support for non-system cursors will require finding
   // the appropriate module to pass to LoadCursor().
   ::SetCursor(LoadCursor(NULL, cursor_id));
 }
 
@@ skipping 44 matching lines @@
 }
 
 void DesktopHostWin::OnSize(UINT param, const CSize& size) {
   // Minimizing resizes the window to 0x0 which causes our layout to go all
   // screwy, so we just ignore it.
   if (param != SIZE_MINIMIZED)
     desktop_->OnHostResized(gfx::Size(size.cx, size.cy));
 }
 
 }  // namespace aura