Fix aborted navigates not clearing the pending navigation entry with PlzNavigate.

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 a0574a98ce62add89d6fecbf8f9ca68c9f518458..e5af29e8993b4acef5334dd2e6b4bfe5dc4ba019 100644
--- a/content/browser/frame_host/navigator_impl.h
+++ b/content/browser/frame_host/navigator_impl.h
@@ -97,6 +97,7 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
   void CancelNavigation(FrameTreeNode* frame_tree_node) override;
   NavigationHandleImpl* GetNavigationHandleForFrameHost(
       RenderFrameHostImpl* render_frame_host) override;
+  void DiscardPendingEntryIfNeeded(NavigationHandleImpl* handle) override;
 
  private:
   // Holds data used to track browser side navigation metrics.
@@ -145,10 +146,6 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
                                    SiteInstanceImpl* site_instance,
                                    NavigationHandleImpl* navigation_handle);
 
-  // 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