PlzNavigate: Fix dynamic iframe back forward layout test failure

content/browser/frame_host/navigator_impl.h

Index: content/browser/frame_host/navigator_impl.h
diff --git a/content/browser/frame_host/navigator_impl.h b/content/browser/frame_host/navigator_impl.h
index 8d3de3b753037ac8a2ca54344f49e28d5f2685a1..bae9c04e04ccb3bc0c2c3ed78b8ab12f9a971d81 100644
--- a/content/browser/frame_host/navigator_impl.h
+++ b/content/browser/frame_host/navigator_impl.h
@@ -63,6 +63,8 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
                               ReloadType reload_type,
                               bool is_same_document_history_load) override;
   bool NavigateNewChildFrame(RenderFrameHostImpl* render_frame_host,
+                             bool is_renderer_initiated,
+                             bool has_user_gesture,
                              const GURL& default_url) override;
   void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
                       const GURL& url,
@@ -116,6 +118,7 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
                        bool is_same_document_history_load,
                        bool is_history_navigation_in_new_child,
                        bool is_pending_entry,
+                       bool has_user_gesture,
                        const scoped_refptr<ResourceRequestBodyImpl>& post_body);
 
   bool ShouldAssignSiteForURL(const GURL& url);
@@ -132,6 +135,7 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
                          PreviewsState previews_state,
                          bool is_same_document_history_load,
                          bool is_history_navigation_in_new_child,
+                         bool has_user_gesture,
                          base::TimeTicks navigation_start);
 
   void RecordNavigationMetrics(