Use MAKEPOINTS instead of GET_X/Y_LPARAM to reduce a dependency on ATL....

base/gfx/point.cc

 // Copyright (c) 2006-2008 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 "base/gfx/point.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <iostream>
 
 namespace gfx {
 
 Point::Point() : x_(0), y_(0) {
 }
 
 Point::Point(int x, int y) : x_(x), y_(y) {
 }
 
 #if defined(OS_WIN)
+Point::Point(DWORD point) {
+  POINTS points = MAKEPOINTS(point);
+  x_ = points.x;
+  y_ = points.y;
+}
+
 Point::Point(const POINT& point) : x_(point.x), y_(point.y) {
 }
 
 Point& Point::operator=(const POINT& point) {
   x_ = point.x;
   y_ = point.y;
   return *this;
 }
 
 POINT Point::ToPOINT() const {
   POINT p;
   p.x = x_;
   p.y = y_;
   return p;
 }
 #elif defined(OS_MACOSX)
 Point::Point(const CGPoint& point) : x_(point.x), y_(point.y) {
 }
 
 CGPoint Point::ToCGPoint() const {
   return CGPointMake(x_, y_);
 }
 #endif
 
 }  // namespace gfx
 
 std::ostream& operator<<(std::ostream& out, const gfx::Point& p) {
   return out << p.x() << "," << p.y();
 }