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

cc/contents_scaling_layer.cc

Index: cc/contents_scaling_layer.cc
diff --git a/cc/contents_scaling_layer.cc b/cc/contents_scaling_layer.cc
index 2e041a1ee0b18c5e12ac8cec4b25134043e8969a..1b5443b0b652cc82e27aa15c2074bf7c163742e7 100644
--- a/cc/contents_scaling_layer.cc
+++ b/cc/contents_scaling_layer.cc
@@ -5,6 +5,7 @@
 #include "config.h"
 
 #include "cc/contents_scaling_layer.h"
+#include "ui/gfx/size_conversions.h"
 
 namespace cc {
 
@@ -15,9 +16,8 @@ ContentsScalingLayer::ContentsScalingLayer()
 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 {