cc: Use gfx:: Geometry types for positions, bounds, and related things.

cc/contents_scaling_layer.cc

 // Copyright 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 "config.h"
 
 #include "cc/contents_scaling_layer.h"
+#include "ui/gfx/size_conversions.h"
 
 namespace cc {
 
 ContentsScalingLayer::ContentsScalingLayer()
     : m_contentsScale(1.0) {
 }
 
 ContentsScalingLayer::~ContentsScalingLayer() {
 }
 
-IntSize ContentsScalingLayer::contentBounds() const {
-  return IntSize(ceil(bounds().width() * contentsScaleX()),
-                 ceil(bounds().height() * contentsScaleY()));
+gfx::Size ContentsScalingLayer::contentBounds() const {
+  return gfx::ToCeiledSize(bounds().Scale(contentsScaleX(), contentsScaleY()));
 }
 
 float ContentsScalingLayer::contentsScaleX() const {
   return m_contentsScale;
 }
 
 float ContentsScalingLayer::contentsScaleY() const {
   return m_contentsScale;
 }
 
 void ContentsScalingLayer::setContentsScale(float contentsScale) {
   if (m_contentsScale == contentsScale)
     return;
   m_contentsScale = contentsScale;
   setNeedsDisplay();
 }
 
 }  // namespace cc