replace OVERRIDE and FINAL with override and final in mojo/

mojo/services/window_manager/window_manager_unittests.cc

Index: mojo/services/window_manager/window_manager_unittests.cc
diff --git a/mojo/services/window_manager/window_manager_unittests.cc b/mojo/services/window_manager/window_manager_unittests.cc
index 2ddceb8c83edd25c2ed27c416f9b3d939ba64895..dbd9a489b8e9d5dae4f10453dfe0e51b13593e0a 100644
--- a/mojo/services/window_manager/window_manager_unittests.cc
+++ b/mojo/services/window_manager/window_manager_unittests.cc
@@ -19,7 +19,7 @@ class WindowManagerTestSuite : public base::TestSuite {
   virtual ~WindowManagerTestSuite() {}
 
  protected:
-  virtual void Initialize() OVERRIDE {
+  virtual void Initialize() override {
 #if defined(USE_X11)
     // Each test ends up creating a new thread for the native viewport service.
     // In other words we'll use X on different threads, so tell it that.