Further plumb visual rect into cc:DisplayItemList.

cc/playback/display_item_list.h

Index: cc/playback/display_item_list.h
diff --git a/cc/playback/display_item_list.h b/cc/playback/display_item_list.h
index 21422600d8648a6d9ab31f84d5752a811803c98d..a988e9e9aeec03757c1d0d7541099df39b7d9406 100644
--- a/cc/playback/display_item_list.h
+++ b/cc/playback/display_item_list.h
@@ -61,10 +61,11 @@ class CC_EXPORT DisplayItemList
   void RasterIntoCanvas(const DisplayItem& display_item);
 
   template <typename DisplayItemType>
-  DisplayItemType* CreateAndAppendItem() {
+  DisplayItemType* CreateAndAppendItem(const gfx::Rect& visual_rect) {
 #if DCHECK_IS_ON()
     needs_process_ = true;
 #endif
+    visual_rects_.push_back(visual_rect);
     ProcessAppendedItemsOnTheFly();
     return items_.AllocateAndConstruct<DisplayItemType>();
   }
@@ -95,6 +96,8 @@ class CC_EXPORT DisplayItemList
                                   float raster_scale,
                                   std::vector<DrawImage>* images);
 
+  gfx::Rect VisualRectForTesting(int index) { return visual_rects_[index]; }
+
  private:
   DisplayItemList(gfx::Rect layer_rect,
                   const DisplayItemListSettings& display_list_settings,
@@ -113,6 +116,12 @@ class CC_EXPORT DisplayItemList
 #endif
 
   ListContainer<DisplayItem> items_;
+  // The visual rects associated with each of the display items in the
+  // display item list. There is one rect per display item, and the
+  // position in |visual_rects_| matches the position of the item in
+  // |items_| . These rects are intentionally kept separate
+  // because they are not needed while walking the |items_| for raster.
+  std::vector<gfx::Rect> visual_rects_;
   skia::RefPtr<SkPicture> picture_;
 
   scoped_ptr<SkPictureRecorder> recorder_;