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

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 169 matching lines @@
 }
 
 void FrameLoaderClientImpl::didChangeScrollOffset()
 {
     if (m_webFrame->client())
         m_webFrame->client()->didChangeScrollOffset(m_webFrame);
     if (WebViewImpl* webview = m_webFrame->viewImpl())
         webview->devToolsEmulator()->viewportChanged();
 }
 
+void FrameLoaderClientImpl::didChangeScrollingMode(Frame* childFrame, ScrollbarMode scrollingMode)
+{
+    if (!m_webFrame->client())
+        return;
+
+    WebFrameOwnerProperties::ScrollingMode webScrollingMode = WebFrameOwnerProperties::ScrollingModeAuto;
+    switch (scrollingMode) {
+    case ScrollbarAuto:
+        webScrollingMode = WebFrameOwnerProperties::ScrollingModeAuto;
+        break;
+    case ScrollbarAlwaysOn:
+        webScrollingMode = WebFrameOwnerProperties::ScrollingModeAlwaysOn;
+        break;
+    case ScrollbarAlwaysOff:
+        webScrollingMode = WebFrameOwnerProperties::ScrollingModeAlwaysOff;
+        break;
+    }
+    m_webFrame->client()->didChangeScrollingMode(WebFrame::fromFrame(childFrame), webScrollingMode);
+}
+
+void FrameLoaderClientImpl::didChangeMarginWidth(Frame* childFrame, int newMarginWidth)
+{
+    if (m_webFrame->client())
+        m_webFrame->client()->didChangeMarginWidth(WebFrame::fromFrame(childFrame), newMarginWidth);
+}
+
+void FrameLoaderClientImpl::didChangeMarginHeight(Frame* childFrame, int newMarginHeight)
+{
+    if (m_webFrame->client())
+        m_webFrame->client()->didChangeMarginHeight(WebFrame::fromFrame(childFrame), newMarginHeight);
+}
+
 void FrameLoaderClientImpl::didUpdateCurrentHistoryItem()
 {
     if (m_webFrame->client())
         m_webFrame->client()->didUpdateCurrentHistoryItem(m_webFrame);
 }
 
 void FrameLoaderClientImpl::didRemoveAllPendingStylesheet()
 {
     WebViewImpl* webview = m_webFrame->viewImpl();
     if (webview)
@@ skipping 756 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