Add virtual and OVERRIDE to base/ implementation files

BUG=none
TEST=compiles


Review URL: http://codereview.chromium.org/10004001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@131098 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 3 deletions

diff --git a/base/synchronization/waitable_event_unittest.cc b/base/synchronization/waitable_event_unittest.cc
index f253265..d00adc7 100644
--- a/base/synchronization/waitable_event_unittest.cc
+++ b/base/synchronization/waitable_event_unittest.cc
@@ -1,9 +1,11 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/time.h"
 #include "base/synchronization/waitable_event.h"
+
+#include "base/compiler_specific.h"
+#include "base/time.h"
 #include "base/threading/platform_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -76,7 +78,7 @@ class WaitableEventSignaler : public PlatformThread::Delegate {
         ev_(ev) {
   }
 
-  void ThreadMain() {
+  virtual void ThreadMain() OVERRIDE {
     PlatformThread::Sleep(TimeDelta::FromSeconds(static_cast<int>(seconds_)));
     ev_->Signal();
   }