Viewing cached webpages while offline is not available on Chrome OS

chrome/common/chrome_switches.cc

 // Copyright (c) 2012 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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 241 matching lines @@
 // issues relating to IPv6, but shouldn't otherwise be needed. Be sure to file
 // bugs if something isn't working properly in the presence of IPv6. This flag
 // can be overidden by the "enable-ipv6" flag.
 const char kDisableIPv6[]                   = "disable-ipv6";
 
 // Disable the behavior that the second click on a launcher item (the click when
 // the item is already active) minimizes the item.
 const char kDisableMinimizeOnSecondLauncherItemClick[] =
     "disable-minimize-on-second-launcher-item-click";
 
+// Disables the new offline error page generated by NetErrorHelper for ChromeOS
+// and instead uses the old error page generated by OfflineResourceThrottle.
+const char kDisableNewOfflineErrorPage[] = "disable-new-offline-error-page";
+
 // Disables the menu on the NTP for accessing sessions from other devices.
 const char kDisableNTPOtherSessionsMenu[]   = "disable-ntp-other-sessions-menu";
 
 // Disable auto-reload of error pages if offline.
 const char kDisableOfflineAutoReload[]       = "disable-offline-auto-reload";
 
 // Disable only auto-reloading error pages when the tab is visible.
 const char kDisableOfflineAutoReloadVisibleOnly[] =
     "disable-offline-auto-reload-visible-only";
 
@@ skipping 1060 matching lines @@
 // Enables overriding the path of file manager extension.
 const char kFileManagerExtensionPath[]      = "filemgr-ext-path";
 #endif
 
 bool AboutInSettingsEnabled() {
   return SettingsWindowEnabled() &&
          !base::CommandLine::ForCurrentProcess()->HasSwitch(
              ::switches::kDisableAboutInSettings);
 }
 
+// Will return true as a default value if the "disable-new-offline-error-page"
+// command-line switch is not available.
+bool NewOfflineErrorPageEnabled() {
+  return !base::CommandLine::ForCurrentProcess()->HasSwitch(
+      ::switches::kDisableNewOfflineErrorPage);
+}
+
 bool OutOfProcessPdfEnabled() {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableOutOfProcessPdf))
     return true;
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           kDisableOutOfProcessPdf))
     return false;
 
   // Default.
   return true;
@@ skipping 29 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches