[cc] Route LayerImpl::layerTreeHostImpl() calls through LayerTreeImpl

cc/picture_layer_impl.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/picture_layer_impl.h"
 
 #include "base/time.h"
 #include "cc/append_quads_data.h"
 #include "cc/checkerboard_draw_quad.h"
 #include "cc/debug_border_draw_quad.h"
 #include "cc/debug_colors.h"
-#include "cc/layer_tree_host_impl.h"
+#include "cc/layer_tree_impl.h"
 #include "cc/math_util.h"
 #include "cc/quad_sink.h"
 #include "cc/solid_color_draw_quad.h"
 #include "cc/tile_draw_quad.h"
 #include "ui/gfx/quad_f.h"
 
 namespace cc {
 
 PictureLayerImpl::PictureLayerImpl(LayerTreeImpl* treeImpl, int id)
     : LayerImpl(treeImpl, id),
@@ skipping 28 matching lines @@
   if (showDebugBorders()) {
     for (PictureLayerTilingSet::Iterator iter(&tilings_,
                                               contentsScaleX(),
                                               rect);
          iter;
          ++iter) {
       SkColor color;
       float width;
       if (*iter && iter->GetResourceId()) {
         color = DebugColors::TileBorderColor();
-        width = DebugColors::TileBorderWidth(layerTreeHostImpl());
+        width = DebugColors::TileBorderWidth(layerTreeImpl());
       } else {
         color = DebugColors::MissingTileBorderColor();
-        width = DebugColors::MissingTileBorderWidth(layerTreeHostImpl());
+        width = DebugColors::MissingTileBorderWidth(layerTreeImpl());
       }
 
       scoped_ptr<DebugBorderDrawQuad> debugBorderQuad =
           DebugBorderDrawQuad::Create();
       gfx::Rect geometry_rect = iter.geometry_rect();
       debugBorderQuad->SetNew(sharedQuadState, geometry_rect, color, width);
       quadSink.append(debugBorderQuad.PassAs<DrawQuad>(), appendQuadsData);
     }
   }
 
@@ skipping 49 matching lines @@
 }
 
 void PictureLayerImpl::dumpLayerProperties(std::string*, int indent) const {
   // TODO(enne): implement me
 }
 
 void PictureLayerImpl::didUpdateTransforms() {
   if (drawsContent()) {
     // TODO(enne): Add more tilings during pinch zoom.
     if (!tilings_.num_tilings()) {
-      gfx::Size tile_size = layerTreeHostImpl()->settings().defaultTileSize;
+      gfx::Size tile_size = layerTreeImpl()->settings().defaultTileSize;
       tilings_.AddTiling(contentsScaleX(), tile_size);
       // TODO(enne): handle invalidations, create new tiles
     }
   } else {
     tilings_.Reset();
   }
 
   gfx::Transform  current_screen_space_transform = screenSpaceTransform();
   double current_time =
       (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
   double time_delta = 0;
   if (last_update_time_ != 0 && last_bounds_ == bounds() &&
       last_content_bounds_ == contentBounds() &&
       last_content_scale_x_ == contentsScaleX() &&
       last_content_scale_y_ == contentsScaleY()) {
     time_delta = current_time - last_update_time_;
   }
-  tilings_.UpdateTilePriorities(layerTreeHostImpl()->deviceViewportSize(),
+  tilings_.UpdateTilePriorities(layerTreeImpl()->device_viewport_size(),
                                 contentsScaleX(),
                                 contentsScaleY(),
                                 last_screen_space_transform_,
                                 current_screen_space_transform,
                                 time_delta);
 
   last_screen_space_transform_ = current_screen_space_transform;
   last_update_time_ = current_time;
   last_bounds_ = bounds();
   last_content_bounds_ = contentBounds();
   last_content_scale_x_ = contentsScaleX();
   last_content_scale_y_ = contentsScaleY();
 }
 
 void PictureLayerImpl::didUpdateBounds() {
   tilings_.SetLayerBounds(bounds());
 }
 
 scoped_refptr<Tile> PictureLayerImpl::CreateTile(PictureLayerTiling* tiling,
                                                  gfx::Rect rect) {
-  TileManager* tile_manager = layerTreeHostImpl()->tileManager();
+  TileManager* tile_manager = layerTreeImpl()->tile_manager();
 
   return make_scoped_refptr(new Tile(
       tile_manager,
       pile_.get(),
       rect.size(),
       GL_RGBA,
       rect,
       tiling->contents_scale()));
 }
 
 void PictureLayerImpl::SyncFromActiveLayer(const PictureLayerImpl* other) {
   tilings_.CloneFrom(other->tilings_);
 }
 
 }  // namespace cc