Propagate scrolling/marginwidth/marginheight property values to child frame.

third_party/WebKit/public/web/WebFrame.h

Index: third_party/WebKit/public/web/WebFrame.h
diff --git a/third_party/WebKit/public/web/WebFrame.h b/third_party/WebKit/public/web/WebFrame.h
index ee3a1b42d12eff522d8215da2f6f4b6c8d6d71c3..e8695d073e3b91281523f33c4b1515a7071cbf41 100644
--- a/third_party/WebKit/public/web/WebFrame.h
+++ b/third_party/WebKit/public/web/WebFrame.h
@@ -80,6 +80,7 @@ struct WebConsoleMessage;
 struct WebFindOptions;
 struct WebFloatPoint;
 struct WebFloatRect;
+struct WebFrameOwnerProperties;
 struct WebPoint;
 struct WebPrintParams;
 struct WebRect;
@@ -173,6 +174,13 @@ public:
     // navigation.
     BLINK_EXPORT void setFrameOwnerSandboxFlags(WebSandboxFlags);
 
+    // Updates the scrolling and margin properties in the frame's FrameOwner.
+    // This is used when this frame's parent is in another process and it
+    // dynamically updates these properties.
+    // TODO(dcheng): Currently, the update only takes effect on next frame
+    // navigation.  This matches the in-process frame behavior.
+    BLINK_EXPORT void setFrameOwnerProperties(const WebFrameOwnerProperties&);
+
     // Geometry -----------------------------------------------------------
 
     // NOTE: These routines do not force page layout so their results may