replace OVERRIDE and FINAL with override and final in ppapi/

ppapi/shared_impl/var_tracker_unittest.cc

Index: ppapi/shared_impl/var_tracker_unittest.cc
diff --git a/ppapi/shared_impl/var_tracker_unittest.cc b/ppapi/shared_impl/var_tracker_unittest.cc
index 1a4a469ecaf17a2f32bc050ba34a2872968bf3f0..fc089abc10e3bb08ee1a70cd9d5c1f013c746d9a 100644
--- a/ppapi/shared_impl/var_tracker_unittest.cc
+++ b/ppapi/shared_impl/var_tracker_unittest.cc
@@ -29,7 +29,7 @@ class MockObjectVar : public Var {
  public:
   MockObjectVar() : Var() { mock_var_alive_count++; }
   virtual ~MockObjectVar() { mock_var_alive_count--; }
-  virtual PP_VarType GetType() const OVERRIDE { return PP_VARTYPE_OBJECT; }
+  virtual PP_VarType GetType() const override { return PP_VARTYPE_OBJECT; }
   bool HasValidVarID() { return GetExistingVarID() != 0; }
 };
 
@@ -40,11 +40,11 @@ class VarTrackerTest : public testing::Test {
   VarTrackerTest() {}
 
   // Test implementation.
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     ASSERT_EQ(0, mock_var_alive_count);
     ProxyLock::EnableLockingOnThreadForTest();
   }
-  virtual void TearDown() OVERRIDE {}
+  virtual void TearDown() override {}
 
   VarTracker& var_tracker() { return *globals_.GetVarTracker(); }