Raster display item lists via a visual rect RTree.

cc/trees/layer_tree_host_pixeltest_masks.cc

Index: cc/trees/layer_tree_host_pixeltest_masks.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_masks.cc b/cc/trees/layer_tree_host_pixeltest_masks.cc
index c8b587587e81261c5de610946c076c700cc72a3b..96e6760d55459780d4e4fddf451ef170ebd572d2 100644
--- a/cc/trees/layer_tree_host_pixeltest_masks.cc
+++ b/cc/trees/layer_tree_host_pixeltest_masks.cc
@@ -57,9 +57,8 @@ class MaskContentLayerClient : public ContentLayerClient {
     }
 
     scoped_refptr<DisplayItemList> display_list =
-        DisplayItemList::Create(PaintableRegion(), DisplayItemListSettings());
-    auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>(
-        PaintableRegion());
+        DisplayItemList::Create(DisplayItemListSettings());
+    auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>(PaintableRegion());
 
     skia::RefPtr<SkPicture> picture =
         skia::AdoptRef(recorder.endRecordingAsPicture());
@@ -336,7 +335,7 @@ class CheckerContentLayerClient : public ContentLayerClient {
     }
 
     scoped_refptr<DisplayItemList> display_list =
-        DisplayItemList::Create(PaintableRegion(), DisplayItemListSettings());
+        DisplayItemList::Create(DisplayItemListSettings());
     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>(
         PaintableRegion());
 
@@ -378,7 +377,7 @@ class CircleContentLayerClient : public ContentLayerClient {
                        paint);
 
     scoped_refptr<DisplayItemList> display_list =
-        DisplayItemList::Create(PaintableRegion(), DisplayItemListSettings());
+        DisplayItemList::Create(DisplayItemListSettings());
     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>(
         PaintableRegion());
     skia::RefPtr<SkPicture> picture =