PlzNavigate: test updates post beforeUnload IPC refactor.

content/test/test_web_contents.cc

Index: content/test/test_web_contents.cc
diff --git a/content/test/test_web_contents.cc b/content/test/test_web_contents.cc
index 93aec71aed35fcb98bea73ac84579b032965e384..6d3161419ee91f7824062be4c6da82301b618e18 100644
--- a/content/test/test_web_contents.cc
+++ b/content/test/test_web_contents.cc
@@ -157,7 +157,7 @@ void TestWebContents::CommitPendingNavigation() {
   // replaced without a pending frame being created, and we don't get the right
   // values for the RFH to navigate: we try to use the old one that has been
   // deleted in the meantime.
-  GetMainFrame()->PrepareForCommit(entry->GetURL());
+  GetMainFrame()->PrepareForCommit();
 
   TestRenderFrameHost* old_rfh = GetMainFrame();
   TestRenderFrameHost* rfh = GetPendingMainFrame();