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