Revert of Remove cullRect() from PaintOpBuffer.

third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp

Index: third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp
diff --git a/third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp b/third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp
index 5c584de8b6c120d00bce096aee79b0b30dc7962e..c4361e0f37b05abcbbf70c54d51b71417624a72b 100644
--- a/third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp
+++ b/third_party/WebKit/Source/web/tests/sim/SimDisplayItemList.cpp
@@ -13,10 +13,10 @@ namespace blink {
 
 SimDisplayItemList::SimDisplayItemList() {}
 
-void SimDisplayItemList::AppendDrawingItem(const WebRect& visual_rect,
-                                           sk_sp<const PaintRecord> record,
-                                           const WebRect& record_bounds) {
-  SimCanvas canvas(record_bounds.width, record_bounds.height);
+void SimDisplayItemList::AppendDrawingItem(const WebRect&,
+                                           sk_sp<const PaintRecord> record) {
+  SkIRect bounds = record->cullRect().roundOut();
+  SimCanvas canvas(bounds.width(), bounds.height());
   record->playback(&canvas);
   commands_.Append(canvas.Commands().data(), canvas.Commands().size());
 }