Revert "Revert 253606 "Revert 251238 "cc: Clean up iterator template to ...""

cc/debug/debug_rect_history.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/debug/debug_rect_history.h"
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/layer_utils.h"
 #include "cc/layers/render_surface_impl.h"
@@ skipping 220 matching lines @@
                                             layer->contents_scale_y());
     debug_rects_.push_back(DebugRect(NON_FAST_SCROLLABLE_RECT_TYPE,
                                      MathUtil::MapClippedRect(
                                          layer->screen_space_transform(),
                                          scroll_rect)));
   }
 }
 
 void DebugRectHistory::SaveLayerAnimationBoundsRects(
     const LayerImplList& render_surface_layer_list) {
-  typedef LayerIterator<LayerImpl> LayerIteratorType;
+  typedef LayerIterator<LayerImpl,
+                        LayerImplList,
+                        RenderSurfaceImpl,
+                        LayerIteratorActions::FrontToBack> LayerIteratorType;
   LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list);
   for (LayerIteratorType it =
            LayerIteratorType::Begin(&render_surface_layer_list);
        it != end; ++it) {
     if (!it.represents_itself())
       continue;
 
     // TODO(avallee): Figure out if we should show something for a layer who's
     // animating bounds but that we can't compute them.
     gfx::BoxF inflated_bounds;
     if (!LayerUtils::GetAnimationBounds(**it, &inflated_bounds))
       continue;
 
     debug_rects_.push_back(DebugRect(ANIMATION_BOUNDS_RECT_TYPE,
                                      gfx::RectF(inflated_bounds.x(),
                                                 inflated_bounds.y(),
                                                 inflated_bounds.width(),
                                                 inflated_bounds.height())));
   }
 }
 
 }  // namespace cc