PlzNavigate: Show error pages when the navigation failed before commit

content/browser/loader/navigation_url_loader_impl_core.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/loader/navigation_url_loader_impl_core.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/navigation_request_info.h"
@@ skipping 77 matching lines @@
   //
   // TODO(davidben): This copy could be avoided if ResourceResponse weren't
   // reference counted and the loader stack passed unique ownership of the
   // response. https://crbug.com/416050
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NavigationURLLoaderImpl::NotifyResponseStarted, loader_,
                  response->DeepCopy(), base::Passed(&body)));
 }
 
-void NavigationURLLoaderImplCore::NotifyRequestFailed(int net_error) {
+void NavigationURLLoaderImplCore::NotifyRequestFailed(bool in_cache,
+                                                      int net_error) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NavigationURLLoaderImpl::NotifyRequestFailed, loader_,
-                 net_error));
+                 in_cache, net_error));
 }
 
 }  // namespace content