Adding about:flags option to enable guest mode.

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 467 matching lines @@
 // Print Proxy component within the service process.
 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";
 
 // Enables fetching the user's contacts from Google and showing them in the
 // Chrome OS apps list.
 const char kEnableContacts[]                = "enable-contacts";
 
 // Enables web developers to create apps for Chrome without using crx packages.
 const char kEnableCrxlessWebApps[]          = "enable-crxless-web-apps";
 
+// Enables desktop guest mode.
+const char kEnableDesktopGuestMode[]        = "enable-desktop-guest-mode";
+
 // If true devtools experimental settings are enabled.
 const char kEnableDevToolsExperiments[]     = "enable-devtools-experiments";
 
 // Enables an interactive autocomplete UI and a way to invoke this UI from
 // WebKit by enabling HTMLFormElement#requestAutocomplete (and associated
 // autocomplete* events and logic).
 const char kEnableInteractiveAutocomplete[] = "enable-interactive-autocomplete";
 
 // Enables extensions to be easily installed from sites other than the web
 // store. Without this flag, they can still be installed, but must be manually
@@ skipping 1130 matching lines @@
 #elif defined(OS_WIN)
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableChromeStyleDialogs);
 #else
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableChromeStyleDialogs);
 #endif
 }
 
 }  // namespace chrome