PlzNavigate: clear pending entry on aborted navigations

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 f8863516c1191f6582b6732e623458df12eb951f..5b924aa9750ae884fe452ed4f9756ad83847cf64 100644
--- a/content/browser/frame_host/navigator_impl.h
+++ b/content/browser/frame_host/navigator_impl.h
@@ -137,6 +137,10 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
   void DidStartMainFrameNavigation(const GURL& url,
                                    SiteInstanceImpl* site_instance);
 
+  // Called when a navigation has failed to discard the pending entry in order
+  // to avoid url spoofs.
+  void DiscardPendingEntryOnFailureIfNeeded(NavigationHandleImpl* handle);
+
   // The NavigationController that will keep track of session history for all
   // RenderFrameHost objects using this NavigatorImpl.
   // TODO(nasko): Move ownership of the NavigationController from