Remove most remaining references to IntRect and FloatRect.

cc/damage_tracker.cc

Index: cc/damage_tracker.cc
diff --git a/cc/damage_tracker.cc b/cc/damage_tracker.cc
index 103449f7fb5b64dd8f8f55d4f1c51e1e4b882a14..bf545d0da1a7e00a1a5869c2afc5925d33490a35 100644
--- a/cc/damage_tracker.cc
+++ b/cc/damage_tracker.cc
@@ -253,7 +253,7 @@ void DamageTracker::extendDamageForLayer(LayerImpl* layer, gfx::RectF& targetDam
     bool layerIsNew = false;
     gfx::RectF oldRectInTargetSpace = removeRectFromCurrentFrame(layer->id(), layerIsNew);
 
-    gfx::RectF rectInTargetSpace = MathUtil::mapClippedRect(layer->drawTransform(), gfx::RectF(FloatPoint(), layer->contentBounds()));
+    gfx::RectF rectInTargetSpace = MathUtil::mapClippedRect(layer->drawTransform(), gfx::RectF(gfx::PointF(), layer->contentBounds()));
     saveRectForNextFrame(layer->id(), rectInTargetSpace);
 
     if (layerIsNew || layerNeedsToRedrawOntoItsTargetSurface(layer)) {
@@ -326,7 +326,7 @@ void DamageTracker::extendDamageForRenderSurface(LayerImpl* layer, gfx::RectF& t
         removeRectFromCurrentFrame(replicaMaskLayer->id(), replicaIsNew);
 
         const WebTransformationMatrix& replicaDrawTransform = renderSurface->replicaDrawTransform();
-        gfx::RectF replicaMaskLayerRect = MathUtil::mapClippedRect(replicaDrawTransform, gfx::RectF(FloatPoint(), FloatSize(replicaMaskLayer->bounds().width(), replicaMaskLayer->bounds().height())));
+        gfx::RectF replicaMaskLayerRect = MathUtil::mapClippedRect(replicaDrawTransform, gfx::RectF(gfx::PointF(), replicaMaskLayer->bounds()));
         saveRectForNextFrame(replicaMaskLayer->id(), replicaMaskLayerRect);
 
         // In the current implementation, a change in the replica mask damages the entire replica region.