Viewing cached webpages while offline is not available on Chrome OS

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 38d22decc15838961c4b8b93cec03d217da30aab..220bf60ecf2d0006e19e03949cd32a54cac33f0b 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -259,6 +259,10 @@ const char kDisableIPv6[]                   = "disable-ipv6";
 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";
 
@@ -1339,6 +1343,13 @@ bool AboutInSettingsEnabled() {
              ::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;