[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

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 "cc/layer.h"
 
 #include "cc/active_animation.h"
 #include "cc/animation_events.h"
 #include "cc/layer_animation_controller.h"
 #include "cc/layer_impl.h"
@@ skipping 601 matching lines @@
     if (replicaLayer())
         replicaLayer()->pushPropertiesTo(layer->replicaLayer());
 
     m_layerAnimationController->pushAnimationUpdatesTo(layer->layerAnimationController());
 
     // Reset any state that should be cleared for the next update.
     m_stackingOrderChanged = false;
     m_updateRect = gfx::RectF();
 }
 
-scoped_ptr<LayerImpl> Layer::createLayerImpl(LayerTreeHostImpl* hostImpl)
+scoped_ptr<LayerImpl> Layer::createLayerImpl(LayerTreeImpl* treeImpl)
 {
-    return LayerImpl::create(hostImpl, m_layerId);
+    return LayerImpl::create(treeImpl, m_layerId);
 }
 
 bool Layer::drawsContent() const
 {
     return m_isDrawable;
 }
 
 bool Layer::needMoreUpdates()
 {
     return false;
@@ skipping 205 matching lines @@
 {
     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.
 }
 
 }  // namespace cc