Adding UMA statistics for multi profile

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // Copyright (c) 2013 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/ash/session_state_delegate_chromeos.h"
 
+#include "ash/multi_profile_uma.h"
 #include "ash/session_state_observer.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 150 matching lines @@
   session_state_observer_list_.RemoveObserver(observer);
 }
 
 bool SessionStateDelegateChromeos::TransferWindowToDesktopOfUser(
     aura::Window* window,
     ash::MultiProfileIndex index) {
   chrome::MultiUserWindowManager* window_manager =
       chrome::MultiUserWindowManager::GetInstance();
   if (!window_manager || window_manager->GetWindowOwner(window).empty())
     return false;
+
+  ash::MultiProfileUMA::RecordTeleportAction(
+      ash::MultiProfileUMA::TELEPORT_WINDOW_DRAG_AND_DROP);
+
   DCHECK_LT(index, NumberOfLoggedInUsers());
   window_manager->ShowWindowForUser(window,
       chromeos::UserManager::Get()->GetLRULoggedInUsers()[index]->email());
   return true;
 }
 
 void SessionStateDelegateChromeos::ActiveUserChanged(
     const chromeos::User* active_user) {
   FOR_EACH_OBSERVER(ash::SessionStateObserver,
                     session_state_observer_list_,
                     ActiveUserChanged(active_user->email()));
 }
 
 void SessionStateDelegateChromeos::UserAddedToSession(
     const chromeos::User* added_user) {
   FOR_EACH_OBSERVER(ash::SessionStateObserver,
                     session_state_observer_list_,
                     UserAddedToSession(added_user->email()));
 }