cc: Consolidate LayerList types.

cc/trees/layer_tree_host_common.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_COMMON_H_
 #define CC_TREES_LAYER_TREE_HOST_COMMON_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
+#include "cc/layers/layer_lists.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 #include "ui/gfx/vector2d.h"
 
 namespace cc {
 
 class LayerImpl;
 class Layer;
 
 class CC_EXPORT LayerTreeHostCommon {
  public:
   static gfx::Rect CalculateVisibleRect(gfx::Rect target_surface_rect,
                                         gfx::Rect layer_bound_rect,
                                         const gfx::Transform& transform);
 
   static void CalculateDrawProperties(
       Layer* root_layer,
       gfx::Size device_viewport_size,
       float device_scale_factor,
       float page_scale_factor,
       int max_texture_size,
       bool can_use_lcd_text,
-      std::vector<scoped_refptr<Layer> >* render_surface_layer_list);
+      LayerList* render_surface_layer_list);
   static void CalculateDrawProperties(
       LayerImpl* root_layer,
       gfx::Size device_viewport_size,
       float device_scale_factor,
       float page_scale_factor,
       int max_texture_size,
       bool can_use_lcd_text,
-      std::vector<LayerImpl*>* render_surface_layer_list,
+      LayerImplList* render_surface_layer_list,
       bool update_tile_priorities);
 
   // Performs hit testing for a given render_surface_layer_list.
   static LayerImpl* FindLayerThatIsHitByPoint(
       gfx::PointF screen_space_point,
-      const std::vector<LayerImpl*>& render_surface_layer_list);
+      const LayerImplList& render_surface_layer_list);
 
   static LayerImpl* FindLayerThatIsHitByPointInTouchHandlerRegion(
       gfx::PointF screen_space_point,
-      const std::vector<LayerImpl*>& render_surface_layer_list);
+      const LayerImplList& render_surface_layer_list);
 
   static bool LayerHasTouchEventHandlersAt(gfx::PointF screen_space_point,
                                            LayerImpl* layer_impl);
 
   template <typename LayerType>
   static bool RenderSurfaceContributesToTarget(LayerType*,
                                                int target_surface_layer_id);
 
   template <class Function, typename LayerType>
   static void CallFunctionForSubtree(LayerType* root_layer);
 
   // Returns a layer with the given id if one exists in the subtree starting
   // from the given root layer (including mask and replica layers).
   template <typename LayerType>
   static LayerType* FindLayerInSubtree(LayerType* root_layer, int layer_id);
 
   static Layer* get_child_as_raw_ptr(
-      const std::vector<scoped_refptr<Layer> >& children,
+      const LayerList& children,
       size_t index) {
     return children[index].get();
   }
 
   static LayerImpl* get_child_as_raw_ptr(
-      const ScopedPtrVector<LayerImpl>& children,
+      const OwnedLayerImplList& children,
       size_t index) {
     return children[index];
   }
 
   struct ScrollUpdateInfo {
     int layer_id;
     gfx::Vector2d scroll_delta;
   };
 };
 
@@ skipping 55 matching lines @@
 
   for (size_t i = 0; i < root_layer->children().size(); ++i) {
     CallFunctionForSubtree<Function>(
         get_child_as_raw_ptr(root_layer->children(), i));
   }
 }
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_COMMON_H_