[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/test/tiled_layer_test_common.h

 // 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.
 
 #ifndef CC_TEST_TILED_LAYER_TEST_COMMON_H_
 #define CC_TEST_TILED_LAYER_TEST_COMMON_H_
 
 #include "cc/layer_updater.h"
 #include "cc/prioritized_resource.h"
 #include "cc/region.h"
@@ skipping 53 matching lines @@
     int m_prepareCount;
     int m_updateCount;
     gfx::Rect m_rectToInvalidate;
     gfx::Rect m_lastUpdateRect;
     gfx::Rect m_opaquePaintRect;
     scoped_refptr<FakeTiledLayer> m_layer;
 };
 
 class FakeTiledLayerImpl : public cc::TiledLayerImpl {
 public:
-    FakeTiledLayerImpl(LayerTreeHostImpl* hostImpl, int id);
+    FakeTiledLayerImpl(LayerTreeImpl* treeImpl, int id);
     virtual ~FakeTiledLayerImpl();
 
     using cc::TiledLayerImpl::hasTileAt;
     using cc::TiledLayerImpl::hasResourceIdForTileAt;
 };
 
 class FakeTiledLayer : public cc::TiledLayer {
 public:
     explicit FakeTiledLayer(cc::PrioritizedResourceManager*);
 
@@ skipping 35 matching lines @@
     virtual float contentsScaleY() const OVERRIDE;
     virtual void setContentsScale(float) OVERRIDE;
 
 protected:
     virtual ~FakeTiledLayerWithScaledBounds();
     gfx::Size m_forcedContentBounds;
 };
 
 }
 #endif  // CC_TEST_TILED_LAYER_TEST_COMMON_H_