Support script modify iframe scrolling, marginWidth and marginHeight attr

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 5bc1abbd513505af58c601b72bfe74f6b99df791..de6c321925343979d8a57bfd37bdb97459a54a96 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -60,6 +60,7 @@
 #include "public/platform/WebFocusType.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "wtf/HashSet.h"
+#include "wtf/Optional.h"
 #include "wtf/PassRefPtr.h"
 #include <memory>
 
@@ -823,6 +824,10 @@ class CORE_EXPORT Document : public ContainerNode,
   // this is the top level document or the owner is remote.
   HTMLFrameOwnerElement* localOwner() const;
 
+  void didChangeFrameOwnerProperties(WTF::Optional<int>,
+                                     WTF::Optional<int>,
+                                     bool);
+
   // Returns true if this document belongs to a frame that the parent document
   // made invisible (for instance by setting as style display:none).
   bool isInInvisibleSubframe() const;