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

chrome/browser/app_controller_mac.mm

 // 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 1108 matching lines @@
         chrome::OpenExtensionsWindow(lastProfile);
       break;
     case IDC_HELP_PAGE_VIA_MENU:
       if (Browser* browser = ActivateBrowser(lastProfile))
         chrome::ShowHelp(browser, chrome::HELP_SOURCE_MENU);
       else
         chrome::OpenHelpWindow(lastProfile, chrome::HELP_SOURCE_MENU);
       break;
     case IDC_SHOW_SYNC_SETUP:
       if (Browser* browser = ActivateBrowser(lastProfile)) {
-        chrome::ShowBrowserSigninOrSettings(browser,
-                                            signin_metrics::SOURCE_MENU);
+        chrome::ShowBrowserSigninOrSettings(
+            browser, signin_metrics::AccessPoint::ACCESS_POINT_MENU);
       } else {
-        chrome::OpenSyncSetupWindow(lastProfile, signin_metrics::SOURCE_MENU);
+        chrome::OpenSyncSetupWindow(
+            lastProfile, signin_metrics::AccessPoint::ACCESS_POINT_MENU);
       }
       break;
     case IDC_TASK_MANAGER:
       chrome::OpenTaskManager(NULL);
       break;
     case IDC_OPTIONS:
       [self showPreferences:sender];
       break;
   }
 }
@@ skipping 558 matching lines @@
 
 //---------------------------------------------------------------------------
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac