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

Source/web/FrameLoaderClientImpl.cpp

Index: Source/web/FrameLoaderClientImpl.cpp
diff --git a/Source/web/FrameLoaderClientImpl.cpp b/Source/web/FrameLoaderClientImpl.cpp
index 0e82d6c77fc15e7d285dc4ff87773f9a1917b6a1..e18d645618530f92498ae8c41c1b754189cfd494 100644
--- a/Source/web/FrameLoaderClientImpl.cpp
+++ b/Source/web/FrameLoaderClientImpl.cpp
@@ -187,6 +187,26 @@ void FrameLoaderClientImpl::didChangeScrollOffset()
         webview->devToolsEmulator()->viewportChanged();
 }
 
+void FrameLoaderClientImpl::didChangeScrollingMode(Frame* childFrame, ScrollbarMode scrollingMode)

[alexmos, 2015/09/02 21:37:05]

Nit: move these down to didChangeName and DidChangeSandboxFlags

[lazyboy, 2015/09/15 01:40:33]

Done.

+{
+    if (!m_webFrame->client())
+        return;
+
+    m_webFrame->client()->didChangeScrollingMode(WebFrame::fromFrame(childFrame), static_cast<WebFrameOwnerProperties::ScrollingMode>(scrollingMode));
+}
+
+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())