Remove ClipPathDisplayItem::clip_op_

cc/blink/web_display_item_list_impl.h

Index: cc/blink/web_display_item_list_impl.h
diff --git a/cc/blink/web_display_item_list_impl.h b/cc/blink/web_display_item_list_impl.h
index 9ef08b0e9a56a5210cab108d70141caccd255e5a..e97ee45baca0a0a8cfdf6c04b4fae378b372fd06 100644
--- a/cc/blink/web_display_item_list_impl.h
+++ b/cc/blink/web_display_item_list_impl.h
@@ -12,7 +12,6 @@
 #include "third_party/WebKit/public/platform/WebDisplayItemList.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/skia/include/core/SkBlendMode.h"
-#include "third_party/skia/include/core/SkClipOp.h"
 #include "ui/gfx/geometry/point_f.h"
 
 class SkColorFilter;
@@ -48,7 +47,6 @@ class WebDisplayItemListImpl : public blink::WebDisplayItemList {
       const blink::WebVector<SkRRect>& rounded_clip_rects) override;
   void appendEndClipItem() override;
   void appendClipPathItem(const SkPath& clip_path,
-                          SkClipOp clip_op,
                           bool antialias) override;
   void appendEndClipPathItem() override;
   void appendFloatClipItem(const blink::WebFloatRect& clip_rect) override;