Convert SigninTracker to use OAuth2TokenService notifications

chrome/browser/ui/sync/one_click_signin_helper.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_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 #define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 201 matching lines @@
 
   // Clear all data member of the helper, except for the error.
   void CleanTransientState();
 
   // Unitests that use a TestingProfile should call this.
   // Otherwise, clearing the pending e-mail crashes because the code expects
   // a real ResourceContext rather than the MockResourceContext a
   // TestingProfile provides.
   void SetDoNotClearPendingEmailForTesting();
 
+  // In unit tests, disable starting the actual sync.
+  void set_do_not_start_sync_for_testing();
+
   // Called when password has been submitted.
   void PasswordSubmitted(const autofill::PasswordForm& form);
 
   // content::WebContentsObserver overrides.
   virtual void NavigateToPendingEntry(
       const GURL& url,
       content::NavigationController::ReloadType reload_type) OVERRIDE;
   virtual void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) OVERRIDE;
@@ skipping 37 matching lines @@
   // Whether a Gaia URL during the sign in process was not handled by the
   // dedicated sign in process (e.g. SAML login, which redirects to a
   // non-google-controlled domain).
   // This is set to true if at least one such URL is detected.
   bool untrusted_confirmation_required_;
 
   // Allows unittests to avoid accessing the ResourceContext for clearing a
   // pending e-mail.
   bool do_not_clear_pending_email_;
 
+  // Allows unittest to avoid starting sync for real.
+  bool do_not_start_sync_for_testing_;
+
   base::WeakPtrFactory<OneClickSigninHelper> weak_pointer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OneClickSigninHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_