Update from https://crrev.com/312398

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 d682b2d2d12b976df5212b102c3610deef625478..fdd05df63ab80407c5c19a84e7dfefe90e00fd2b 100644
--- a/cc/blink/web_display_item_list_impl.cc
+++ b/cc/blink/web_display_item_list_impl.cc
@@ -8,6 +8,7 @@
 
 #include "cc/blink/web_blend_mode.h"
 #include "cc/resources/clip_display_item.h"
+#include "cc/resources/clip_path_display_item.h"
 #include "cc/resources/drawing_display_item.h"
 #include "cc/resources/filter_display_item.h"
 #include "cc/resources/float_clip_display_item.h"
@@ -53,6 +54,17 @@ void WebDisplayItemListImpl::appendEndClipItem() {
   display_item_list_->AppendItem(cc::EndClipDisplayItem::Create());
 }
 
+void WebDisplayItemListImpl::appendClipPathItem(const SkPath& clip_path,
+                                                SkRegion::Op clip_op,
+                                                bool antialias) {
+  display_item_list_->AppendItem(
+      cc::ClipPathDisplayItem::Create(clip_path, clip_op, antialias));
+}
+
+void WebDisplayItemListImpl::appendEndClipPathItem() {
+  display_item_list_->AppendItem(cc::EndClipPathDisplayItem::Create());
+}
+
 void WebDisplayItemListImpl::appendFloatClipItem(
     const blink::WebFloatRect& clip_rect) {
   display_item_list_->AppendItem(cc::FloatClipDisplayItem::Create(clip_rect));