Don't rely on the pending NavigationEntry for location.replace.

content/test/test_render_frame_host.h

Index: content/test/test_render_frame_host.h
diff --git a/content/test/test_render_frame_host.h b/content/test/test_render_frame_host.h
index f29a895a0d97cdaa9020364f8da64a7d1c4d9e10..6453a1755ca8640ad06151e91c11530f26b5d195 100644
--- a/content/test/test_render_frame_host.h
+++ b/content/test/test_render_frame_host.h
@@ -79,6 +79,11 @@ class TestRenderFrameHost : public RenderFrameHostImpl,
   void SendBeforeUnloadACK(bool proceed) override;
   void SimulateSwapOutACK() override;
 
+  void SendNavigateWithReplacement(int page_id,
+                                   int nav_entry_id,
+                                   bool did_create_new_entry,
+                                   const GURL& url);
+
   using ModificationCallback =
       base::Callback<void(FrameHostMsg_DidCommitProvisionalLoad_Params*)>;
 
@@ -134,6 +139,7 @@ class TestRenderFrameHost : public RenderFrameHostImpl,
   void SendNavigateWithParameters(int page_id,
                                   int nav_entry_id,
                                   bool did_create_new_entry,
+                                  bool should_replace_entry,
                                   const GURL& url,
                                   ui::PageTransition transition,
                                   int response_code,