Support for drawing a debug border around animated layers

cc/debug/debug_rect_history.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 CC_DEBUG_DEBUG_RECT_HISTORY_H_
 #define CC_DEBUG_DEBUG_RECT_HISTORY_H_
 
 #include <vector>
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
   PAINT_RECT_TYPE,
   PROPERTY_CHANGED_RECT_TYPE,
   SURFACE_DAMAGE_RECT_TYPE,
   SCREEN_SPACE_RECT_TYPE,
   REPLICA_SCREEN_SPACE_RECT_TYPE,
   OCCLUDING_RECT_TYPE,
   NONOCCLUDING_RECT_TYPE,
   TOUCH_EVENT_HANDLER_RECT_TYPE,
   WHEEL_EVENT_HANDLER_RECT_TYPE,
   NON_FAST_SCROLLABLE_RECT_TYPE,
+  ANIMATION_BOUNDS_RECT_TYPE,
 };
 
 struct DebugRect {
   DebugRect(DebugRectType new_type, gfx::RectF new_rect)
       : type(new_type), rect(new_rect) {}
 
   DebugRectType type;
   gfx::RectF rect;
 };
 
@@ skipping 30 matching lines @@
   void SaveOccludingRects(
       const std::vector<gfx::Rect>& occluding_screen_space_rects);
   void SaveNonOccludingRects(
       const std::vector<gfx::Rect>& non_occluding_screen_space_rects);
   void SaveTouchEventHandlerRects(LayerImpl* layer);
   void SaveTouchEventHandlerRectsCallback(LayerImpl* layer);
   void SaveWheelEventHandlerRects(LayerImpl* layer);
   void SaveWheelEventHandlerRectsCallback(LayerImpl* layer);
   void SaveNonFastScrollableRects(LayerImpl* layer);
   void SaveNonFastScrollableRectsCallback(LayerImpl* layer);
+  void SaveLayerAnimationBoundsRects(
+      const LayerImplList& render_surface_layer_list);
 
   std::vector<DebugRect> debug_rects_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugRectHistory);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_DEBUG_RECT_HISTORY_H_