replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/login/users/fake_user_manager.cc

Index: chrome/browser/chromeos/login/users/fake_user_manager.cc
diff --git a/chrome/browser/chromeos/login/users/fake_user_manager.cc b/chrome/browser/chromeos/login/users/fake_user_manager.cc
index 6cd384168f7a8f1a57352b1522b59e306323f775..4ebad745c1481b4d06e0f8eb28e5afeffe647fbf 100644
--- a/chrome/browser/chromeos/login/users/fake_user_manager.cc
+++ b/chrome/browser/chromeos/login/users/fake_user_manager.cc
@@ -18,11 +18,11 @@ class FakeTaskRunner : public base::TaskRunner {
  public:
   virtual bool PostDelayedTask(const tracked_objects::Location& from_here,
                                const base::Closure& task,
-                               base::TimeDelta delay) OVERRIDE {
+                               base::TimeDelta delay) override {
     task.Run();
     return true;
   }
-  virtual bool RunsTasksOnCurrentThread() const OVERRIDE { return true; }
+  virtual bool RunsTasksOnCurrentThread() const override { return true; }
 
  protected:
   virtual ~FakeTaskRunner() {}