[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/tiled_layer_impl_unittest.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/tiled_layer_impl.h"
 
 #include "cc/append_quads_data.h"
 #include "cc/layer_tiling_data.h"
 #include "cc/single_thread_proxy.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 15 matching lines @@
 public:
     TiledLayerImplTest()
         : m_hostImpl(&m_proxy)
     {
     }
 
     // Create a default tiled layer with textures for all tiles and a default
     // visibility of the entire layer size.
     scoped_ptr<TiledLayerImpl> createLayer(const gfx::Size& tileSize, const gfx::Size& layerSize, LayerTilingData::BorderTexelOption borderTexels)
     {
-        scoped_ptr<TiledLayerImpl> layer = TiledLayerImpl::create(&m_hostImpl, 1);
+        scoped_ptr<TiledLayerImpl> layer = TiledLayerImpl::create(m_hostImpl.activeTree(), 1);
         scoped_ptr<LayerTilingData> tiler = LayerTilingData::create(tileSize, borderTexels);
         tiler->setBounds(layerSize);
         layer->setTilingData(*tiler);
         layer->setSkipsDraw(false);
         layer->drawProperties().visible_content_rect = gfx::Rect(gfx::Point(), layerSize);
         layer->drawProperties().opacity = 1;
         layer->setBounds(layerSize);
         layer->setContentBounds(layerSize);
         layer->createRenderSurface();
         layer->drawProperties().render_target = layer.get();
@@ skipping 178 matching lines @@
 
         EXPECT_NE(0u, quad->resource_id) << quadString << i;
         EXPECT_EQ(gfx::RectF(gfx::PointF(), tileSize), quad->tex_coord_rect) << quadString << i;
         EXPECT_EQ(tileSize, quad->texture_size) << quadString << i;
         EXPECT_EQ(gfx::Rect(0, 0, 1, 1), quad->opaque_rect) << quadString << i;
     }
 }
 
 }  // namespace
 }  // namespace cc