Cleanup: Remove VersionUpdater::RelaunchBrowser interface method.

chrome/browser/ui/webui/help/version_updater_win.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/webui/help/version_updater_win.h"
 
 #include "base/memory/weak_ptr.h"
 #include "base/task_runner_util.h"
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/first_run/upgrade_util.h"
-#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/native_widget_types.h"
 
 VersionUpdaterWin::VersionUpdaterWin(gfx::AcceleratedWidget owner_widget)
     : owner_widget_(owner_widget), weak_factory_(this) {
@@ skipping 13 matching lines @@
   // work as before - enabling UAC or installing the latest service pack
   // for Vista is another option.
   if (!(base::win::GetVersion() == base::win::VERSION_VISTA &&
         (base::win::OSInfo::GetInstance()->service_pack().major == 0) &&
         !base::win::UserAccountControlIsEnabled())) {
     callback_.Run(CHECKING, 0, base::string16());
     BeginUpdateCheckOnFileThread(false /* !install_update_if_possible */);
   }
 }
 
-void VersionUpdaterWin::RelaunchBrowser() const {
-  chrome::AttemptRestart();
-}
-
 void VersionUpdaterWin::OnUpdateCheckComplete(
     const base::string16& new_version) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   Status status = CHECKING;
   if (new_version.empty()) {
     // Google Update says that no new version is available. Check to see if a
     // restart is needed for a previously-applied update to take effect.
     if (base::PostTaskAndReplyWithResult(
             content::BrowserThread::GetBlockingPool(),
             FROM_HERE,
@@ skipping 82 matching lines @@
   // have been closed by the time the UAC prompt is needed. In this case, the
   // web contents may no longer be hosted in a window, leading either
   // GetTopLevelNativeWindow or GetHost to return null. Passing nullptr to
   // VersionUpdaterWin will then also cause the UAC prompt to appear in the task
   // bar.
   gfx::NativeWindow window = web_contents->GetTopLevelNativeWindow();
   aura::WindowTreeHost* window_tree_host = window ? window->GetHost() : nullptr;
   return new VersionUpdaterWin(
       window_tree_host ? window_tree_host->GetAcceleratedWidget() : nullptr);
 }