Remove HostDesktopType from BrowserList::GetInstance()

chrome/browser/chromeos/policy/restore_on_startup_browsertest_chromeos.cc

 // Copyright 2015 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 <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
@@ skipping 50 matching lines @@
                      SessionStartupPref::kPrefValueURLs);
   scoped_ptr<base::ListValue> urls(new base::ListValue);
   urls->AppendString(kStartUpURL1);
   urls->AppendString(kStartUpURL2);
   policy->Set(key::kRestoreOnStartupURLs, std::move(urls));
 }
 
 void RestoreOnStartupTestChromeOS::LogInAndVerifyStartUpURLs() {
   LogIn(kAccountId, kAccountPassword);
 
-  const BrowserList* const browser_list =
-      BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
+  const BrowserList* const browser_list = BrowserList::GetInstance();
   ASSERT_EQ(1U, browser_list->size());
   const Browser* const browser = browser_list->get(0);
   ASSERT_TRUE(browser);
   const TabStripModel* tabs = browser->tab_strip_model();
   ASSERT_TRUE(tabs);
   ASSERT_EQ(2, tabs->count());
   EXPECT_EQ(GURL(kStartUpURL1), tabs->GetWebContentsAt(0)->GetURL());
   EXPECT_EQ(GURL(kStartUpURL2), tabs->GetWebContentsAt(1)->GetURL());
 }
 
 // Verify that the policies are honored on a new user's login.
 IN_PROC_BROWSER_TEST_F(RestoreOnStartupTestChromeOS, PRE_LogInAndVerify) {
   SkipToLoginScreen();
   LogInAndVerifyStartUpURLs();
 }
 
 // Verify that the policies are honored on an existing user's login.
 IN_PROC_BROWSER_TEST_F(RestoreOnStartupTestChromeOS, LogInAndVerify) {
   content::WindowedNotificationObserver(
       chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
       content::NotificationService::AllSources()).Wait();
   LogInAndVerifyStartUpURLs();
 }
 
 }  // namespace policy