(blink) Propagate scrolling/marginwidth/marginheight property values to child frame.

public/web/WebFrame.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 62 matching lines @@
 class WebString;
 class WebURL;
 class WebURLLoader;
 class WebURLRequest;
 class WebView;
 enum class WebSandboxFlags;
 struct WebConsoleMessage;
 struct WebFindOptions;
 struct WebFloatPoint;
 struct WebFloatRect;
+struct WebFrameOwnerProperties;
 struct WebPoint;
 struct WebPrintParams;
 struct WebRect;
 struct WebScriptSource;
 struct WebSize;
 struct WebURLLoaderOptions;
 
 template <typename T> class WebVector;
 
 // Frames may be rendered in process ('local') or out of process ('remote').
@@ skipping 73 matching lines @@
 
     // The security origin of this frame.
     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
 
     // Updates the sandbox flags in the frame's FrameOwner.  This is used when
     // this frame's parent is in another process and it dynamically updates
     // this frame's sandbox flags.  The flags won't take effect until the next
     // 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.  The flags won't take effect until
+    // the next navigation.
+    // TODO(dcheng): Currently, the update only takes effect on next frame
+    // navigation.
+    BLINK_EXPORT void setFrameOwnerProperties(const WebFrameOwnerProperties&);
+
     // Geometry -----------------------------------------------------------
 
     // NOTE: These routines do not force page layout so their results may
     // not be accurate if the page layout is out-of-date.
 
     // If set to false, do not draw scrollbars on this frame's view.
     virtual void setCanHaveScrollbars(bool) = 0;
 
     // The scroll offset from the top-left corner of the frame in pixels.
     virtual WebSize scrollOffset() const = 0;
@@ skipping 550 matching lines @@
     WebPrivateOwnPtr<OpenedFrameTracker> m_openedFrameTracker;
 };
 
 #if BLINK_IMPLEMENTATION
 Frame* toCoreFrame(const WebFrame*);
 #endif
 
 } // namespace blink
 
 #endif