cc: Consolidate LayerList types.

cc/layers/render_surface_impl.h

Index: cc/layers/render_surface_impl.h
diff --git a/cc/layers/render_surface_impl.h b/cc/layers/render_surface_impl.h
index 5154561a937dd0826546056f6ba529cd2511b649..8a7f73f9247883e5dbce1c4772d1f048bc74f34e 100644
--- a/cc/layers/render_surface_impl.h
+++ b/cc/layers/render_surface_impl.h
@@ -11,6 +11,7 @@
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
+#include "cc/layers/layer_lists.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/shared_quad_state.h"
 #include "ui/gfx/rect.h"
@@ -109,7 +110,7 @@ class CC_EXPORT RenderSurfaceImpl {
   void SetContentRect(gfx::Rect content_rect);
   gfx::Rect content_rect() const { return content_rect_; }
 
-  std::vector<LayerImpl*>& layer_list() { return layer_list_; }
+  LayerImplList& layer_list() { return layer_list_; }
   void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
   void ClearLayerLists();
 
@@ -150,7 +151,7 @@ class CC_EXPORT RenderSurfaceImpl {
   // Uses the space of the surface's target surface.
   gfx::Rect clip_rect_;
 
-  std::vector<LayerImpl*> layer_list_;
+  LayerImplList layer_list_;
   std::vector<DelegatedRendererLayerImpl*>
       contributing_delegated_render_pass_layer_list_;