cc: Remove CC*.h temporary includes, part 5/4.

cc/layer_iterator.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 CCLayerIterator_h
 #define CCLayerIterator_h
 
-#include "CCLayerTreeHostCommon.h"
+#include "cc/layer_tree_host_common.h"
 
 #include "base/memory/ref_counted.h"
 
 namespace cc {
 
 // These classes provide means to iterate over the RenderSurface-Layer tree.
 
 // Example code follows, for a tree of LayerChromium/RenderSurfaceChromium objects. See below for details.
 //
 // void doStuffOnLayers(const std::vector<scoped_refptr<LayerChromium> >& renderSurfaceLayerList)
@@ skipping 180 matching lines @@
 
     private:
         template <typename LayerType, typename LayerList, typename RenderSurfaceType, typename ActionType>
         void goToHighestInSubtree(CCLayerIterator<LayerType, LayerList, RenderSurfaceType, ActionType>&);
     };
 };
 
 } // namespace cc
 
 #endif