PlzNav: Fix NavigationControllerBrowserTest.EnsureSamePageNavigationUpdatesFrameNaviga…

content/browser/frame_host/navigation_controller_impl_browsertest.cc

Index: content/browser/frame_host/navigation_controller_impl_browsertest.cc
diff --git a/content/browser/frame_host/navigation_controller_impl_browsertest.cc b/content/browser/frame_host/navigation_controller_impl_browsertest.cc
index 4ccab789b2bf2054a016a74d9664d1b01b4dfeaa..dee84a3c3b1c4e9cde56d4c1680cdd8e6da43d04 100644
--- a/content/browser/frame_host/navigation_controller_impl_browsertest.cc
+++ b/content/browser/frame_host/navigation_controller_impl_browsertest.cc
@@ -6157,6 +6157,8 @@ IN_PROC_BROWSER_TEST_F(NavigationControllerBrowserTest,
     observer.Wait();
   }
 
+  EXPECT_EQ(2, web_contents->GetController().GetEntryCount());
+
   // Prior to fixing the issue, the above omnibox navigation (which is
   // classified as SAME_PAGE) was leaving the FrameNavigationEntry with the
   // same document sequence number as the previous entry but updates the URL.