[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/tiled_layer.cc

 // Copyright 2011 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/tiled_layer.h"
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "cc/layer_impl.h"
 #include "cc/layer_tree_host.h"
@@ skipping 77 matching lines @@
     , m_failedUpdate(false)
     , m_tilingOption(AutoTile)
 {
     m_tiler = LayerTilingData::create(gfx::Size(), LayerTilingData::HasBorderTexels);
 }
 
 TiledLayer::~TiledLayer()
 {
 }
 
-scoped_ptr<LayerImpl> TiledLayer::createLayerImpl(LayerTreeHostImpl* hostImpl)
+scoped_ptr<LayerImpl> TiledLayer::createLayerImpl(LayerTreeImpl* treeImpl)
 {
-    return TiledLayerImpl::create(hostImpl, id()).PassAs<LayerImpl>();
+    return TiledLayerImpl::create(treeImpl, id()).PassAs<LayerImpl>();
 }
 
 void TiledLayer::updateTileSizeAndTilingOption()
 {
     DCHECK(layerTreeHost());
 
     gfx::Size defaultTileSize = layerTreeHost()->settings().defaultTileSize;
     gfx::Size maxUntiledLayerSize = layerTreeHost()->settings().maxUntiledLayerSize;
     int layerWidth = contentBounds().width();
     int layerHeight = contentBounds().height();
@@ skipping 646 matching lines @@
     gfx::Rect prepaintRect = visibleContentRect();
     prepaintRect.Inset(-m_tiler->tileSize().width() * prepaintColumns,
                        -m_tiler->tileSize().height() * prepaintRows);
     gfx::Rect contentRect(gfx::Point(), contentBounds());
     prepaintRect.Intersect(contentRect);
 
     return prepaintRect;
 }
 
 }  // namespace cc