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

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index ae4b948cf9878ff9cb45c84671ee172f5d3d2ac5..c9559236c72d8d50adf1dd8cb779ee3295110fd9 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -27,6 +27,7 @@
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/common/javascript_message_type.h"
 #include "net/http/http_response_headers.h"
+#include "third_party/WebKit/public/web/WebFrameOwnerProperties.h"
 #include "third_party/WebKit/public/web/WebTextDirection.h"
 #include "third_party/WebKit/public/web/WebTreeScopeType.h"
 #include "ui/accessibility/ax_node_data.h"
@@ -209,10 +210,12 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void Init();
 
   int routing_id() const { return routing_id_; }
-  void OnCreateChildFrame(int new_routing_id,
-                          blink::WebTreeScopeType scope,
-                          const std::string& frame_name,
-                          blink::WebSandboxFlags sandbox_flags);
+  void OnCreateChildFrame(
+      int new_routing_id,
+      blink::WebTreeScopeType scope,
+      const std::string& frame_name,
+      blink::WebSandboxFlags sandbox_flags,
+      const blink::WebFrameOwnerProperties& frame_owner_properties);

[alexmos, 2015/09/02 21:42:09]

I think you need to update some unit tests as well.  E.g.,
frame_tree_unittest.cc uses OnCreateChildFrame.

[lazyboy, 2015/09/15 19:30:56]

Done.

 
   RenderViewHostImpl* render_view_host() { return render_view_host_; }
   RenderFrameHostDelegate* delegate() { return delegate_; }
@@ -543,6 +546,11 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void OnDidAssignPageId(int32 page_id);
   void OnDidChangeSandboxFlags(int32 frame_routing_id,
                                blink::WebSandboxFlags flags);
+  void OnDidChangeScrollingMode(
+      int32 frame_routing_id,
+      blink::WebFrameOwnerProperties::ScrollingMode mode);
+  void OnDidChangeMarginWidth(int32 frame_routing_id, int margin_width);
+  void OnDidChangeMarginHeight(int32 frame_routing_id, int margin_height);
   void OnUpdateTitle(const base::string16& title,
                      blink::WebTextDirection title_direction);
   void OnUpdateEncoding(const std::string& encoding);