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

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 841 matching lines @@
     m_webFrame->client()->didChangeName(m_webFrame, name);
 }
 
 void FrameLoaderClientImpl::didChangeSandboxFlags(Frame* childFrame, SandboxFlags flags)
 {
     if (!m_webFrame->client())
         return;
     m_webFrame->client()->didChangeSandboxFlags(WebFrame::fromFrame(childFrame), static_cast<WebSandboxFlags>(flags));
 }
 
+void FrameLoaderClientImpl::didChangeFrameOwnerProperties(Frame* childFrame, ScrollbarMode scrollingMode, int marginWidth, int marginHeight)

[dcheng, 2015/10/08 06:43:15]

Instead of passing all these values, maybe just pass a HTMLFrameOwnerElement
here?

[lazyboy, 2015/10/08 17:57:40]

Passing HTMLFrameOwnerElementBase*
Done.

+{
+    if (!m_webFrame->client())
+        return;
+
+    m_webFrame->client()->didChangeFrameOwnerProperties(WebFrame::fromFrame(childFrame), WebFrameOwnerProperties(static_cast<WebFrameOwnerProperties::ScrollingMode>(scrollingMode), marginWidth, marginHeight));
+}
+
 void FrameLoaderClientImpl::dispatchWillOpenWebSocket(WebSocketHandle* handle)
 {
     m_webFrame->client()->willOpenWebSocket(handle);
 }
 
 void FrameLoaderClientImpl::dispatchWillStartUsingPeerConnectionHandler(WebRTCPeerConnectionHandler* handler)
 {
     m_webFrame->client()->willStartUsingPeerConnectionHandler(webFrame(), handler);
 }
 
@@ skipping 84 matching lines @@
 
 void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
             present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }
 
 } // namespace blink