Host Chrome OS GAIA signin page in webview

chrome/browser/chromeos/login/startup_utils.h

Index: chrome/browser/chromeos/login/startup_utils.h
diff --git a/chrome/browser/chromeos/login/startup_utils.h b/chrome/browser/chromeos/login/startup_utils.h
index 9120f48125b6bbfbb2c000e5fe2b602d09e5f69f..b9dd47a46d6753250a40b022c2b16b7ce757fb13 100644
--- a/chrome/browser/chromeos/login/startup_utils.h
+++ b/chrome/browser/chromeos/login/startup_utils.h
@@ -53,6 +53,16 @@ class StartupUtils {
   // 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);
 };