Fix incorrect creation of duplicate navigation entries for repeated page load failures.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 3888 matching lines @@
   NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
 }
 
 void WebContentsImpl::DidAccessInitialDocument() {
   has_accessed_initial_document_ = true;
 
   // We may have left a failed browser-initiated navigation in the address bar
   // to let the user edit it and try again.  Clear it now that content might
   // show up underneath it.
   if (!IsLoading() && controller_.GetPendingEntry())
-    controller_.DiscardPendingEntry();
+    controller_.DiscardPendingEntry(false);
 
   // Update the URL display.
   NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
 }
 
 void WebContentsImpl::DidChangeName(RenderFrameHost* render_frame_host,
                                     const std::string& name) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                     FrameNameChanged(render_frame_host, name));
 }
@@ skipping 639 matching lines @@
   node->render_manager()->ResumeResponseDeferredAtStart();
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content