Track in which frames navigation errors occurred and don't send further navigation events for them

chrome/common/url_constants.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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 #pragma once
 
@@ skipping 111 matching lines @@
 extern const char kChromeUIMediaplayerHost[];
 extern const char kChromeUIMobileSetupHost[];
 extern const char kChromeUIRegisterPageHost[];
 extern const char kChromeUISlideshowHost[];
 extern const char kChromeUISystemInfoHost[];
 extern const char kChromeUIMenu[];
 extern const char kChromeUIWrenchMenu[];
 extern const char kChromeUINetworkMenu[];
 #endif
 
+// Special URL used to start a navigation to an error page.
+extern const char kChromeUnreachableWebDataURL[];
+
 // AppCache related URL.
 extern const char kAppCacheViewInternalsURL[];
 
 // Blob related URL.
 extern const char kBlobViewInternalsURL[];
 
 // Cloud Print dialog URL components.
 extern const char kCloudPrintResourcesURL[];
 extern const char kCloudPrintResourcesHost[];
 
@@ skipping 18 matching lines @@
 extern const char kSystemOptionsSubPage[];
 #endif
 
 // Call near the beginning of startup to register Chrome's internal URLs that
 // should be parsed as "standard" with the googleurl library.
 void RegisterChromeSchemes();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_