cc: Move gpu rasterization flag from tree-impl to tree-host-impl.

cc/trees/layer_tree_impl.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_TREES_LAYER_TREE_IMPL_H_
 #define CC_TREES_LAYER_TREE_IMPL_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 70 matching lines @@
   LayerImpl* FindPendingTreeLayerById(int id);
   int MaxTextureSize() const;
   bool PinchGestureActive() const;
   base::TimeTicks CurrentFrameTimeTicks() const;
   base::TimeDelta begin_impl_frame_interval() const;
   void SetNeedsCommit();
   gfx::Size DrawViewportSize() const;
   scoped_ptr<ScrollbarAnimationController> CreateScrollbarAnimationController(
       LayerImpl* scrolling_layer);
   void DidAnimateScrollOffset();
+  bool use_gpu_rasterization() const;
 
   // Tree specific methods exposed to layer-impl tree.
   // ---------------------------------------------------------------------------
   void SetNeedsRedraw();
 
   // TODO(nduca): These are implemented in cc files temporarily, but will become
   // trivial accessors in a followup patch.
   const LayerTreeDebugState& debug_state() const;
   float device_scale_factor() const;
   DebugRectHistory* debug_rect_history() const;
@@ skipping 56 matching lines @@
   }
   float page_scale_factor() const { return page_scale_factor_; }
   float min_page_scale_factor() const { return min_page_scale_factor_; }
   float max_page_scale_factor() const { return max_page_scale_factor_; }
   float page_scale_delta() const  { return page_scale_delta_; }
   void set_sent_page_scale_delta(float delta) {
     sent_page_scale_delta_ = delta;
   }
   float sent_page_scale_delta() const { return sent_page_scale_delta_; }
 
-  void SetUseGpuRasterization(bool use_gpu);
-  bool use_gpu_rasterization() const { return use_gpu_rasterization_; }
-
   // Updates draw properties and render surface layer list, as well as tile
   // priorities.
   void UpdateDrawProperties();
 
   void set_needs_update_draw_properties() {
     needs_update_draw_properties_ = true;
   }
   bool needs_update_draw_properties() const {
     return needs_update_draw_properties_;
   }
@@ skipping 137 matching lines @@
 
   int render_surface_layer_list_id_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayerTreeImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_IMPL_H_