Host Chrome OS GAIA signin page in webview

chrome/browser/chromeos/login/startup_utils.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 35 matching lines @@
 
   // Sets initial locale in local settings.
   static void SetInitialLocale(const std::string& locale);
 
   // Returns true if it is allowed to activate the new version of OOBE.
   static bool IsNewOobeAllowed();
 
   // Returns true if the new version of OOBE has been activated.
   static bool IsNewOobeActivated();
 
+  // Returns true if it is allowed to activate webview based signin flow.
+  static bool IsWebviewSigninAllowed();
+
+  // Returns true if webview based signin flow has been activated.
+  static bool IsWebviewSigninEnabled();
+
+  // Set enabled state for webview based signin flow if allowed. Returns true if
+  // it is allowed to activate webview based signin flow.
+  static bool EnableWebviewSignin(bool is_enabled);
+
   // Registers OOBE preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_