Implement newly designed sign-in related histograms for desktop platorms.

chrome/browser/ui/startup/startup_browser_creator_impl.cc

 // 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.
 
 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "apps/app_restore_service.h"
@@ skipping 854 matching lines @@
 
     // Special case the FIRST_RUN_LAST_TAB case of the welcome page.
     if (welcome_run_type_ == WelcomeRunType::FIRST_RUN_LAST_TAB)
       startup_urls->push_back(internals::GetWelcomePageURL());
   }
 
   if (signin::ShouldShowPromoAtStartup(profile_, is_first_run_)) {
     signin::DidShowPromoAtStartup(profile_);
 
     const GURL sync_promo_url = signin::GetPromoURL(
-        signin_metrics::SOURCE_START_PAGE, false);
+        signin_metrics::AccessPoint::ACCESS_POINT_START_PAGE,
+        signin_metrics::Reason::REASON_SIGNIN_PRIMARY_ACCOUNT, false);
 
     // No need to add if the sync promo is already in the startup list.
     bool add_promo = true;
     for (std::vector<GURL>::const_iterator it = startup_urls->begin();
          it != startup_urls->end(); ++it) {
       if (*it == sync_promo_url) {
         add_promo = false;
         break;
       }
     }
@@ skipping 109 matching lines @@
 #if defined(OS_WIN)
   TriggeredProfileResetter* triggered_profile_resetter =
       TriggeredProfileResetterFactory::GetForBrowserContext(profile_);
   // TriggeredProfileResetter instance will be nullptr for incognito profiles.
   if (triggered_profile_resetter) {
     has_reset_trigger = triggered_profile_resetter->HasResetTrigger();
   }
 #endif  // defined(OS_WIN)
   return has_reset_trigger;
 }