signin: move SigninManagerBase::Signout to SigninManager.

chrome/browser/ui/webui/sync_setup_handler.h

Index: chrome/browser/ui/webui/sync_setup_handler.h
diff --git a/chrome/browser/ui/webui/sync_setup_handler.h b/chrome/browser/ui/webui/sync_setup_handler.h
index 98cc099ebb1a2c8ccaf9ff6703c9bd4f02ed26bf..bc964359a9967317f338168cb03d2c8a89c97c89 100644
--- a/chrome/browser/ui/webui/sync_setup_handler.h
+++ b/chrome/browser/ui/webui/sync_setup_handler.h
@@ -133,6 +133,12 @@ class SyncSetupHandler : public options::OptionsPageUIHandler,
 #if !defined(OS_CHROMEOS)
   void HandleSubmitAuth(const base::ListValue* args);
 
+  // Returns true if the given login data is valid, false otherwise. If the
+  // login data is not valid then on return |error_message| will be set to  a
+  // localized error message. Note, |error_message| must not be NULL.
+  bool IsLoginAuthDataValid(const std::string& username,
+                            string16* error_message);
+
   // Initiates a login via the signin manager.
   void TryLogin(const std::string& username,
                 const std::string& password,
@@ -191,12 +197,6 @@ class SyncSetupHandler : public options::OptionsPageUIHandler,
   // credentials.
   void CloseGaiaSigninPage();
 
-  // Returns true if the given login data is valid, false otherwise. If the
-  // login data is not valid then on return |error_message| will be set to  a
-  // localized error message. Note, |error_message| must not be NULL.
-  bool IsLoginAuthDataValid(const std::string& username,
-                            string16* error_message);
-
   // The SigninTracker object used to determine when the user has fully signed
   // in (this requires waiting for various services to initialize and tracking
   // errors from multiple sources). Should only be non-null while the login UI