Support script modify iframe scrolling, marginWidth and marginHeight attr

third_party/WebKit/Source/web/WebFrame.cpp

Index: third_party/WebKit/Source/web/WebFrame.cpp
diff --git a/third_party/WebKit/Source/web/WebFrame.cpp b/third_party/WebKit/Source/web/WebFrame.cpp
index 79ce1ac6b9979b00595c6cfcf32f373238e62f1c..da74bdc9f6d7ed9a95289236bac5f6f33fd4f92d 100644
--- a/third_party/WebKit/Source/web/WebFrame.cpp
+++ b/third_party/WebKit/Source/web/WebFrame.cpp
@@ -5,6 +5,7 @@
 #include "public/web/WebFrame.h"
 
 #include "bindings/core/v8/WindowProxyManager.h"
+#include "core/HTMLNames.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
@@ -21,10 +22,13 @@
 #include "web/RemoteFrameOwner.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebRemoteFrameImpl.h"
+#include "wtf/Optional.h"

[bokan, 2016/11/21 16:11:36]

Remove

 #include <algorithm>
 
 namespace blink {
 
+using namespace HTMLNames;
+
 bool WebFrame::swap(WebFrame* frame) {
   using std::swap;
   Frame* oldFrame = toImplBase()->frame();
@@ -132,12 +136,30 @@ WebInsecureRequestPolicy WebFrame::getInsecureRequestPolicy() const {
   return toImplBase()->frame()->securityContext()->getInsecureRequestPolicy();
 }
 
+ScrollbarMode toScrollbarMode(
+    WebFrameOwnerProperties::ScrollingMode scrollingMode) {
+  return static_cast<ScrollbarMode>(scrollingMode);

[bokan, 2016/11/21 16:11:36]

just do this cast inline.

+}
+
 void WebFrame::setFrameOwnerProperties(
     const WebFrameOwnerProperties& properties) {
   // At the moment, this is only used to replicate frame owner properties
   // for frames with a remote owner.
   RemoteFrameOwner* owner = toRemoteFrameOwner(toImplBase()->frame()->owner());
   DCHECK(owner);
+
+  Frame* frame = toImplBase()->frame();
+  DCHECK(frame);
+
+  if (frame->isLocalFrame()) {
+    LocalFrame* localFrame = toLocalFrame(frame);
+    if (localFrame->document()) {
+      localFrame->document()->didChangeFrameOwnerProperties(
+          properties.marginWidth, properties.marginHeight,
+          toScrollbarMode(properties.scrollingMode));
+    }
+  }
+
   owner->setScrollingMode(properties.scrollingMode);
   owner->setMarginWidth(properties.marginWidth);
   owner->setMarginHeight(properties.marginHeight);