Do not reset the content settings delegate's cookies when a network error occurred.

chrome/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 312 matching lines @@
   // Resource ------------------------------------------------------------------
   // Notifications of resource loading events.
 
   class Resource {
    public:
     // The RenderView is starting a provisional load.
     virtual void DidStartProvisionalLoadForFrame(
         RenderViewHost* render_view_host,
         int64 frame_id,
         bool is_main_frame,
+        bool is_error_page,
         const GURL& url) = 0;
 
     // Notification by the resource loading system (not the renderer) that it
     // has started receiving a resource response. This is different than
     // DidStartProvisionalLoadForFrame above because this is called for every
     // resource (images, automatically loaded subframes, etc.) and provisional
     // loads are only for user-initiated navigations.
     virtual void DidStartReceivingResourceResponse(
         const ResourceRequestDetails& details) = 0;
 
@@ skipping 519 matching lines @@
                                 bool remember) {}
 
   // Update the content restrictions, i.e. disable print/copy.
   virtual void UpdateContentRestrictions(int restrictions) {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_