Move geometric types to a separate, more lightweight target.

ui/gfx/size.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/gfx/size.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
-#include "base/strings/stringprintf.h"
-
-namespace gfx {
-
-template class SizeBase<Size, int>;
-
-#if defined(OS_MACOSX)
-Size::Size(const CGSize& s)
-    : SizeBase<Size, int>(s.width, s.height) {
-}
-
-Size& Size::operator=(const CGSize& s) {
-  set_width(s.width);
-  set_height(s.height);
-  return *this;
-}
-#endif
-
-#if defined(OS_WIN)
-SIZE Size::ToSIZE() const {
-  SIZE s;
-  s.cx = width();
-  s.cy = height();
-  return s;
-}
-#elif defined(OS_MACOSX)
-CGSize Size::ToCGSize() const {
-  return CGSizeMake(width(), height());
-}
-#endif
-
-std::string Size::ToString() const {
-  return base::StringPrintf("%dx%d", width(), height());
-}
-
-}  // namespace gfx