replace OVERRIDE and FINAL with override and final in ppapi/

ppapi/shared_impl/tracked_callback_unittest.cc

Index: ppapi/shared_impl/tracked_callback_unittest.cc
diff --git a/ppapi/shared_impl/tracked_callback_unittest.cc b/ppapi/shared_impl/tracked_callback_unittest.cc
index cd787f8fe67f351307dc9015c308e47d90a88488..18199477ff6c80764600dca38dd253fe91969757 100644
--- a/ppapi/shared_impl/tracked_callback_unittest.cc
+++ b/ppapi/shared_impl/tracked_callback_unittest.cc
@@ -25,12 +25,12 @@ class TrackedCallbackTest : public testing::Test {
 
   PP_Instance pp_instance() const { return pp_instance_; }
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     ProxyLock::EnableLockingOnThreadForTest();
     ProxyAutoLock lock;
     globals_.GetResourceTracker()->DidCreateInstance(pp_instance_);
   }
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     ProxyAutoLock lock;
     globals_.GetResourceTracker()->DidDeleteInstance(pp_instance_);
   }