Plumb document's strict mixed content checking for RemoteFrames

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 dc05dbf0d204d2f09f3e9593e00535452eceb77c..d9857e0074adb786afcc5ecc1a5e6159411190d4 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -582,6 +582,7 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void OnDidAccessInitialDocument();
   void OnDidChangeOpener(int32 opener_routing_id);
   void OnDidChangeName(const std::string& name);
+  void OnDidEnforceStrictMixedContentChecking();
   void OnDidAssignPageId(int32 page_id);
   void OnDidChangeSandboxFlags(int32 frame_routing_id,
                                blink::WebSandboxFlags flags);