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

content/public/test/mock_render_thread.cc

Index: content/public/test/mock_render_thread.cc
diff --git a/content/public/test/mock_render_thread.cc b/content/public/test/mock_render_thread.cc
index a3edec4f850575d9e6eb8acc362f57ff7b5ae5e8..8e8d1ab881c562d5b8f84c89c017857cdc69e631 100644
--- a/content/public/test/mock_render_thread.cc
+++ b/content/public/test/mock_render_thread.cc
@@ -217,11 +217,13 @@ void MockRenderThread::OnCreateWindow(
 }
 
 // The Frame expects to be returned a valid route_id different from its own.
-void MockRenderThread::OnCreateChildFrame(int new_frame_routing_id,
-                                          blink::WebTreeScopeType scope,
-                                          const std::string& frame_name,
-                                          blink::WebSandboxFlags sandbox_flags,
-                                          int* new_render_frame_id) {
+void MockRenderThread::OnCreateChildFrame(
+    int new_frame_routing_id,
+    blink::WebTreeScopeType scope,
+    const std::string& frame_name,
+    blink::WebSandboxFlags sandbox_flags,
+    const blink::WebFrameOwnerProperties& frame_owner_properties,
+    int* new_render_frame_id) {
   *new_render_frame_id = new_frame_routing_id_++;
 }