Add virtual and OVERRIDE to base/ implementation files

base/test/test_suite.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/test/test_suite.h"
 
 #include "base/at_exit.h"
 #include "base/base_paths.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 21 matching lines @@
 #endif
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
 namespace {
 
 class MaybeTestDisabler : public testing::EmptyTestEventListener {
  public:
-  virtual void OnTestStart(const testing::TestInfo& test_info) {
+  virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
     ASSERT_FALSE(TestSuite::IsMarkedMaybe(test_info))
         << "Probably the OS #ifdefs don't include all of the necessary "
            "platforms.\nPlease ensure that no tests have the MAYBE_ prefix "
            "after the code is preprocessed.";
   }
 };
 
 class TestClientInitializer : public testing::EmptyTestEventListener {
  public:
   TestClientInitializer()
@@ skipping 222 matching lines @@
 #endif
 
   CatchMaybeTests();
   ResetCommandLine();
 
   TestTimeouts::Initialize();
 }
 
 void TestSuite::Shutdown() {
 }