Remove most remaining references to IntRect and FloatRect.

cc/layer.cc

 // Copyright 2010 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/layer.h"
 
 #include "cc/active_animation.h"
 #include "cc/animation_events.h"
@@ skipping 812 matching lines @@
 
 void Layer::notifyAnimationFinished(double wallClockTime)
 {
     if (m_layerAnimationDelegate)
         m_layerAnimationDelegate->notifyAnimationFinished(wallClockTime);
 }
 
 Region Layer::visibleContentOpaqueRegion() const
 {
     if (contentsOpaque())
-        return cc::IntRect(visibleContentRect());
+        return visibleContentRect();
     return Region();
 }
 
 ScrollbarLayer* Layer::toScrollbarLayer()
 {
     return 0;
 }
 
 void sortLayers(std::vector<scoped_refptr<Layer> >::iterator, std::vector<scoped_refptr<Layer> >::iterator, void*)
 {
     // Currently we don't use z-order to decide what to paint, so there's no need to actually sort Layers.
 }
 
 }