Clean up straggler classes to use embedded signin in page in the new profiles world.

chrome/browser/profiles/profile_metrics.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_PROFILES_PROFILE_METRICS_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_METRICS_H_
 
 #include <stddef.h>
 #include <string>
 
 #include "base/basictypes.h"
 #include "chrome/browser/signin/signin_header_helper.h"
+#include "chrome/browser/signin/signin_promo.h"
 
 class Profile;
 class ProfileManager;
 
 namespace base {
 class FilePath;
 }
 
 class ProfileMetrics {
  public:
@@ skipping 199 matching lines @@
   static void LogProfileAndroidAccountManagementMenu(
       ProfileAndroidAccountManagementMenu metric,
       signin::GAIAServiceType gaia_service);
 #endif  // defined(OS_ANDROID)
 
   // These functions should only be called on the UI thread because they hook
   // into g_browser_process through a helper function.
   static void LogProfileLaunch(Profile* profile);
   static void LogProfileSyncSignIn(const base::FilePath& profile_path);
   static void LogProfileUpdate(const base::FilePath& profile_path);
+
+  // Logs the original source that showed the signin page.
+  static void LogSigninSource(signin::Source source);
 };
 
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_METRICS_H_