Add error description to the DidFailProvisionalLoad callback.

chrome/renderer/localized_error.cc

 // Copyright (c) 2011 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/localized_error.h"
 
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
@@ skipping 612 matching lines @@
 
       DictionaryValue* suggest_learn_more = new DictionaryValue;
       suggest_learn_more->SetString("msg",
           l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_LEARNMORE));
       suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
       error_strings->Set("suggestionsLearnMore", suggest_learn_more);
     }
   }
 }
 
+string16 LocalizedError::GetErrorDetails(const WebKit::WebURLError& error) {
+  const LocalizedErrorMap* error_map =
+      LookupErrorMap(error.domain.utf8(), error.reason);
+  if (error_map)
+    return l10n_util::GetStringUTF16(error_map->details_resource_id);
+  else
+    return l10n_util::GetStringUTF16(IDS_ERRORPAGES_DETAILS_UNKNOWN);
+}
+
 bool LocalizedError::HasStrings(const std::string& error_domain,
                                 int error_code) {
   return LookupErrorMap(error_domain, error_code) != NULL;
 }
 
 void LocalizedError::GetFormRepostStrings(const GURL& display_url,
                                           DictionaryValue* error_strings) {
   bool rtl = LocaleIsRTL();
   error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
 
@@ skipping 31 matching lines @@
                                        failed_url.c_str()));
 
   error_strings->SetString("title", app->name());
   error_strings->SetString("icon",
       app->GetIconURL(Extension::EXTENSION_ICON_LARGE,
                       ExtensionIconSet::MATCH_SMALLER).spec());
   error_strings->SetString("name", app->name());
   error_strings->SetString("msg",
       l10n_util::GetStringUTF16(IDS_ERRORPAGES_APP_WARNING));
 }