Speculative revert by sheriff

cc/blink/web_display_item_list_impl.cc

Index: cc/blink/web_display_item_list_impl.cc
diff --git a/cc/blink/web_display_item_list_impl.cc b/cc/blink/web_display_item_list_impl.cc
index 2bad804cb54a89469e2e0d9cdee2573fa96c2725..a253beb592553fa615ec5b0f1866635dd330e55e 100644
--- a/cc/blink/web_display_item_list_impl.cc
+++ b/cc/blink/web_display_item_list_impl.cc
@@ -25,9 +25,12 @@
 
 namespace cc_blink {
 
-WebDisplayItemListImpl::WebDisplayItemListImpl(
-    cc::DisplayItemList* display_list)
-    : display_item_list_(display_list) {
+WebDisplayItemListImpl::WebDisplayItemListImpl()
+    : display_item_list_(cc::DisplayItemList::Create()) {
+}
+
+scoped_refptr<cc::DisplayItemList> WebDisplayItemListImpl::ToDisplayItemList() {
+  return display_item_list_;
 }
 
 void WebDisplayItemListImpl::appendDrawingItem(const SkPicture* picture) {