Remove DialogDelegate::OnClosed() which is redundant with

chrome/browser/ui/views/first_run_dialog.cc

 // Copyright 2014 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/views/first_run_dialog.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/platform_util.h"
@@ skipping 93 matching lines @@
   quit_runloop_.Run();
 }
 
 views::View* FirstRunDialog::CreateExtraView() {
   views::Link* link = new views::Link(l10n_util::GetStringUTF16(
       IDS_LEARN_MORE));
   link->set_listener(this);
   return link;
 }
 
-void FirstRunDialog::OnClosed() {
-  first_run::SetShouldShowWelcomePage();
-  Done();
-}
-
 bool FirstRunDialog::Accept() {
   GetWidget()->Hide();
 
   if (report_crashes_ && report_crashes_->checked()) {
     if (GoogleUpdateSettings::SetCollectStatsConsent(true))
       breakpad::InitCrashReporter(std::string());
   } else {
     GoogleUpdateSettings::SetCollectStatsConsent(false);
   }
 
   if (make_default_ && make_default_->checked())
     shell_integration::SetAsDefaultBrowser();
 
   Done();
   return true;
 }
 
 int FirstRunDialog::GetDialogButtons() const {
   return ui::DIALOG_BUTTON_OK;
 }
 
+void FirstRunDialog::WindowClosing() {
+  first_run::SetShouldShowWelcomePage();
+  Done();
+}
+
 void FirstRunDialog::LinkClicked(views::Link* source, int event_flags) {
   platform_util::OpenExternal(profile_, GURL(chrome::kLearnMoreReportingURL));
 }