Plumb network stack information about existence of cached copy

chrome/renderer/net/net_error_helper.cc

 // Copyright (c) 2013 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/renderer/net/net_error_helper.h"
 
 #include <string>
 
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
@@ skipping 108 matching lines @@
 
   int resource_id = IDR_NET_ERROR_HTML;
   const base::StringPiece template_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(resource_id));
   if (template_html.empty()) {
     NOTREACHED() << "unable to load template.";
   } else {
     base::DictionaryValue error_strings;
     LocalizedError::GetStrings(error.reason, error.domain.utf8(),
                                error.unreachableURL, is_failed_post,
+                               error.staleCopyInCache,
                                RenderThread::Get()->GetLocale(),
                                render_frame()->GetRenderView()->
                                    GetAcceptLanguages(),
                                &error_strings);
     // "t" is the id of the template's root node.
     *error_html = webui::GetTemplatesHtml(template_html, &error_strings, "t");
   }
 }
 
 void NetErrorHelper::LoadErrorPageInMainFrame(const std::string& html,
                                               const GURL& failed_url) {
   blink::WebView* web_view = render_frame()->GetRenderView()->GetWebView();
   if (!web_view)
     return;
   blink::WebFrame* frame = web_view->mainFrame();
   frame->loadHTMLString(html, GURL(kUnreachableWebDataURL), failed_url, true);
 }
 
 void NetErrorHelper::UpdateErrorPage(const blink::WebURLError& error,
                                      bool is_failed_post) {
   base::DictionaryValue error_strings;
   LocalizedError::GetStrings(error.reason,
                              error.domain.utf8(),
                              error.unreachableURL,
                              is_failed_post,
+                             error.staleCopyInCache,
                              RenderThread::Get()->GetLocale(),
                              render_frame()->GetRenderView()->
                                  GetAcceptLanguages(),
                              &error_strings);
 
   std::string json;
   JSONWriter::Write(&error_strings, &json);
 
   std::string js = "if (window.updateForDnsProbe) "
                    "updateForDnsProbe(" + json + ");";
@@ skipping 48 matching lines @@
   // The fetcher may only be deleted after |data| is passed to |core_|.  Move
   // it to a temporary to prevent any potential re-entrancy issues.
   scoped_ptr<content::ResourceFetcher> fetcher(
       alt_error_page_fetcher_.release());
   if (!response.isNull() && response.httpStatusCode() == 200) {
     core_.OnAlternateErrorPageFetched(data);
   } else {
     core_.OnAlternateErrorPageFetched("");
   }
 }