Create a field test for sync sign in promo strings.

chrome/browser/ui/webui/sync_promo_handler.h

 // Copyright (c) 2011 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_WEBUI_SYNC_PROMO_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_PROMO_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/ui/webui/sync_setup_handler.h"
 
 class PrefService;
 
 // The handler for JavaScript messages related to the "sync promo" page.
 class SyncPromoHandler : public SyncSetupHandler {
  public:
   explicit SyncPromoHandler(ProfileManager* profile_manager);
   virtual ~SyncPromoHandler();
 
   // Called to register our preferences before we use them (so there will be a
   // default if not present yet).
   static void RegisterUserPrefs(PrefService* prefs);
 
   // WebUIMessageHandler implementation.
   virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
   virtual void RegisterMessages() OVERRIDE;
 
   // SyncSetupFlowHandler implementation.
+  virtual void ShowGaiaSuccessAndClose() OVERRIDE;
+  virtual void ShowGaiaSuccessAndSettingUp() OVERRIDE;
   virtual void ShowConfigure(const base::DictionaryValue& args) OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  protected:
   virtual void ShowSetupUI() OVERRIDE;
 
@@ skipping 26 matching lines @@
   // sync promo.
   int GetViewCount() const;
 
   // Increment the local view count by the specified non-negative integer
   // amount. Returns the new total view count.
   int IncrementViewCountBy(unsigned int amount);
 
   // Record a user's flow through the promo to our histogram in UMA.
   void RecordUserFlowAction(int action);
 
+  // Load any experiments that run on the promo page.
+  void LoadPromoExperiments();
+
   // Use this to register for certain notifications (currently when tabs or
   // windows close).
   content::NotificationRegistrar registrar_;
 
   // Weak reference that's initialized and checked in Attach() (after that
   // guaranteed to be non-NULL).
   PrefService* prefs_;
 
   // If the user closes the whole window we'll get a close notification from the
   // tab as well, so this bool acts as a small mutex to only report the close
   // method once.
   bool window_already_closed_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncPromoHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_PROMO_HANDLER_H_