Revert of Remove DialogDelegate::OnClosed() which is redundant with

chrome/browser/ui/views/first_run_dialog.cc

Index: chrome/browser/ui/views/first_run_dialog.cc
diff --git a/chrome/browser/ui/views/first_run_dialog.cc b/chrome/browser/ui/views/first_run_dialog.cc
index 89b12dfbff354a3ebd3d71cb3f675615bc4a0570..32050fe2407a8036ce17b7aeea697a8fbd2b1419 100644
--- a/chrome/browser/ui/views/first_run_dialog.cc
+++ b/chrome/browser/ui/views/first_run_dialog.cc
@@ -111,6 +111,11 @@
   return link;
 }
 
+void FirstRunDialog::OnClosed() {
+  first_run::SetShouldShowWelcomePage();
+  Done();
+}
+
 bool FirstRunDialog::Accept() {
   GetWidget()->Hide();
 
@@ -132,11 +137,6 @@
   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));
 }