[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/nine_patch_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 "cc/nine_patch_layer.h"
 
 #include "cc/layer_tree_host.h"
 #include "cc/nine_patch_layer_impl.h"
 #include "cc/resource_update.h"
 #include "cc/resource_update_queue.h"
 
 namespace cc {
 
 scoped_refptr<NinePatchLayer> NinePatchLayer::create()
 {
     return make_scoped_refptr(new NinePatchLayer());
 }
 
 NinePatchLayer::NinePatchLayer()
     : m_bitmapDirty(false)
 {
 }
 
 NinePatchLayer::~NinePatchLayer()
 {
 }
 
-scoped_ptr<LayerImpl> NinePatchLayer::createLayerImpl(LayerTreeHostImpl* hostImpl)
+scoped_ptr<LayerImpl> NinePatchLayer::createLayerImpl(LayerTreeImpl* treeImpl)
 {
-    return NinePatchLayerImpl::create(hostImpl, id()).PassAs<LayerImpl>();
+    return NinePatchLayerImpl::create(treeImpl, id()).PassAs<LayerImpl>();
 }
 
 void NinePatchLayer::setTexturePriorities(const PriorityCalculator& priorityCalc)
 {
     if (m_resource && !m_resource->texture()->resourceManager()) {
         // Release the resource here, as it is no longer tied to a resource manager.
         m_resource.reset();
         if (!m_bitmap.isNull())
             createResource();
     } else if (m_needsDisplay && m_bitmapDirty && drawsContent()) {
@@ skipping 58 matching lines @@
     NinePatchLayerImpl* layerImpl = static_cast<NinePatchLayerImpl*>(layer);
 
     if (m_resource) {
         DCHECK(!m_bitmap.isNull());
         layerImpl->setResourceId(m_resource->texture()->resourceId());
         layerImpl->setLayout(gfx::Size(m_bitmap.width(), m_bitmap.height()), m_imageAperture);
     }
 }
 
 }