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

content/test/test_render_frame_host.cc

Index: content/test/test_render_frame_host.cc
diff --git a/content/test/test_render_frame_host.cc b/content/test/test_render_frame_host.cc
index 574ca8f417a0509f1ece377ab5e627f501075a55..adac99fbdab7583d5e29cd3d113fb70895dda952 100644
--- a/content/test/test_render_frame_host.cc
+++ b/content/test/test_render_frame_host.cc
@@ -87,7 +87,8 @@ TestRenderFrameHost* TestRenderFrameHost::AppendChild(
     const std::string& frame_name) {
   OnCreateChildFrame(GetProcess()->GetNextRoutingID(),
                      blink::WebTreeScopeType::Document, frame_name,
-                     blink::WebSandboxFlags::None);
+                     blink::WebSandboxFlags::None,
+                     blink::WebFrameOwnerProperties());
   return static_cast<TestRenderFrameHost*>(
       child_creation_observer_.last_created_frame());
 }