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

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index d926ef8f5f7bde9a20591c96938bff8271a9e3fc..5f5e67f18bd1e1efe4932819a65986a95996e5d3 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -859,6 +859,14 @@ void FrameLoaderClientImpl::didChangeSandboxFlags(Frame* childFrame, SandboxFlag
     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);