Allow signin to continue even if sync is disabled by policy.

chrome/browser/signin/signin_manager_fake.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_SIGNIN_SIGNIN_MANAGER_FAKE_H_
 #define CHROME_BROWSER_SIGNIN_SIGNIN_MANAGER_FAKE_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 13 matching lines @@
                            const std::string& password,
                            const std::string& login_token,
                            const std::string& login_captcha) OVERRIDE;
   virtual void StartSignInWithCredentials(const std::string& session_index,
                                           const std::string& username,
                                           const std::string& password) OVERRIDE;
   virtual void StartSignInWithOAuth(const std::string& username,
                                     const std::string& password) OVERRIDE;
   virtual void SignOut() OVERRIDE;
 
+  virtual bool AuthInProgress() const OVERRIDE;
+  void set_auth_in_progress(bool in_progress) {
+    auth_in_progress_ = in_progress;
+  }
+
   // Helper function to be used with ProfileKeyedService::SetTestingFactory().
   static ProfileKeyedService* Build(Profile* profile);
+
+ private:
+  bool auth_in_progress_;
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_MANAGER_FAKE_H_