cc: Consolidate LayerList types.

cc/layers/layer_iterator.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/layers/layer_iterator.h"
 
 #include <vector>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 156 matching lines @@
          it->target_render_surface_layer() != layer;
          ++it->target_render_surface_layer_index_) {
     }
     it->current_layer_index_ = it->target_render_surface_children().size() - 1;
 
     it->target_render_surface()->target_render_surface_layer_index_history_ =
         previous_target_render_surface_layer;
   }
 }
 
-typedef std::vector<scoped_refptr<Layer> > LayerList;
-typedef std::vector<LayerImpl*> LayerImplList;
-
 // Declare each of the above functions for Layer and LayerImpl classes
 // so that they are linked.
 template CC_EXPORT void LayerIteratorActions::BackToFront::Begin(
     LayerIterator<Layer, LayerList, RenderSurface, BackToFront>* it);
 template CC_EXPORT void LayerIteratorActions::BackToFront::End(
     LayerIterator<Layer, LayerList, RenderSurface, BackToFront>* it);
 template CC_EXPORT void LayerIteratorActions::BackToFront::Next(
     LayerIterator<Layer, LayerList, RenderSurface, BackToFront>* it);
 
 template CC_EXPORT void LayerIteratorActions::BackToFront::Begin(
@@ skipping 22 matching lines @@
     LayerIterator<LayerImpl, LayerImplList, RenderSurfaceImpl, FrontToBack>*
         it);
 template CC_EXPORT void LayerIteratorActions::FrontToBack::Begin(
     LayerIterator<LayerImpl, LayerImplList, RenderSurfaceImpl, FrontToBack>*
         it);
 template CC_EXPORT void LayerIteratorActions::FrontToBack::GoToHighestInSubtree(
     LayerIterator<LayerImpl, LayerImplList, RenderSurfaceImpl, FrontToBack>*
         it);
 
 }  // namespace cc