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

chrome/browser/renderer_host/render_view_host.cc

 // 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.
 
 #include "chrome/browser/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 1172 matching lines @@
     const std::string& security_origin) {
   RenderViewHostDelegate::Resource* resource_delegate =
       delegate_->GetResourceDelegate();
   if (resource_delegate)
     resource_delegate->DidRunInsecureContent(security_origin);
 }
 
 void RenderViewHost::OnMsgDidStartProvisionalLoadForFrame(int64 frame_id,
                                                           bool is_main_frame,
                                                           const GURL& url) {
+  bool is_error_page = (url.spec() == chrome::kUnreachableWebDataURL);
   GURL validated_url(url);
   FilterURL(ChildProcessSecurityPolicy::GetInstance(),
             process()->id(), &validated_url);
 
   RenderViewHostDelegate::Resource* resource_delegate =
       delegate_->GetResourceDelegate();
   if (resource_delegate) {
     resource_delegate->DidStartProvisionalLoadForFrame(
-        this, frame_id, is_main_frame, validated_url);
+        this, frame_id, is_main_frame, is_error_page, validated_url);
   }
 }
 
 void RenderViewHost::OnMsgDidFailProvisionalLoadWithError(
     int64 frame_id,
     bool is_main_frame,
     int error_code,
     const GURL& url,
     bool showing_repost_interstitial) {
   VLOG(1) << "Failed Provisional Load: " << url.possibly_invalid_spec()
@@ skipping 1038 matching lines @@
   if (printer_query.get()) {
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           NewRunnableMethod(printer_query.get(),
                             &printing::PrinterQuery::StopWorker));
   }
 
   // Send the printingDone msg for now.
   Send(new ViewMsg_PrintingDone(routing_id(), -1, true));
 }