Add OVERRIDE to chrome/browser/ui/gtk/.

chrome/browser/ui/gtk/js_modal_dialog_gtk.h

Index: chrome/browser/ui/gtk/js_modal_dialog_gtk.h
diff --git a/chrome/browser/ui/gtk/js_modal_dialog_gtk.h b/chrome/browser/ui/gtk/js_modal_dialog_gtk.h
index 7c9ba9efbf2a30a76be99e626d9b945ba385b843..cdef9bc901ac796f5c9ecd09f6bf6ed8e7d74cb2 100644
--- a/chrome/browser/ui/gtk/js_modal_dialog_gtk.h
+++ b/chrome/browser/ui/gtk/js_modal_dialog_gtk.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
 #include "ui/base/gtk/gtk_signal.h"
@@ -23,12 +24,12 @@ class JSModalDialogGtk : public NativeAppModalDialog {
   virtual ~JSModalDialogGtk();
 
   // NativeAppModalDialog:
-  virtual int GetAppModalDialogButtons() const;
-  virtual void ShowAppModalDialog();
-  virtual void ActivateAppModalDialog();
-  virtual void CloseAppModalDialog();
-  virtual void AcceptAppModalDialog();
-  virtual void CancelAppModalDialog();
+  virtual int GetAppModalDialogButtons() const OVERRIDE;
+  virtual void ShowAppModalDialog() OVERRIDE;
+  virtual void ActivateAppModalDialog() OVERRIDE;
+  virtual void CloseAppModalDialog() OVERRIDE;
+  virtual void AcceptAppModalDialog() OVERRIDE;
+  virtual void CancelAppModalDialog() OVERRIDE;
 
  private:
   CHROMEGTK_CALLBACK_1(JSModalDialogGtk, void, OnResponse, int);