[cros] RLZ tracking can be turned off via a flag file.

chrome/browser/chromeos/login/login_utils.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_CHROMEOS_LOGIN_LOGIN_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_UTILS_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 105 matching lines @@
   // Transfers HTTP authentication cache from the |default_profile|
   // into the |new_profile|. If user was required to authenticate with a proxy
   // during the login, this authentication information will be transferred
   // into the new session.
   virtual void TransferDefaultAuthCache(Profile* default_profile,
                                         Profile* new_profile) = 0;
 
   // Stops background fetchers.
   virtual void StopBackgroundFetchers() = 0;
 
+  // Initialize RLZ.
+  virtual void InitRlzDelayed(Profile* user_profile) = 0;
+
  protected:
   friend class ::BrowserGuestSessionNavigatorTest;
 
   // Returns command line string to be used for the OTR process. Also modifies
   // given command line.
   virtual std::string GetOffTheRecordCommandLine(
       const GURL& start_url,
       const CommandLine& base_command_line,
       CommandLine* command_line) = 0;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_UTILS_H_