replace OVERRIDE and FINAL with override and final in net/

net/tools/quic/quic_epoll_connection_helper.cc

Index: net/tools/quic/quic_epoll_connection_helper.cc
diff --git a/net/tools/quic/quic_epoll_connection_helper.cc b/net/tools/quic/quic_epoll_connection_helper.cc
index 78bfe979405808244f46259c25d7c50d4446dd7b..a8321f80198e0c0ac087d9b619beebb24219e0df 100644
--- a/net/tools/quic/quic_epoll_connection_helper.cc
+++ b/net/tools/quic/quic_epoll_connection_helper.cc
@@ -28,14 +28,14 @@ class QuicEpollAlarm : public QuicAlarm {
         epoll_alarm_impl_(this) {}
 
  protected:
-  virtual void SetImpl() OVERRIDE {
+  virtual void SetImpl() override {
     DCHECK(deadline().IsInitialized());
     epoll_server_->RegisterAlarm(
         deadline().Subtract(QuicTime::Zero()).ToMicroseconds(),
         &epoll_alarm_impl_);
   }
 
-  virtual void CancelImpl() OVERRIDE {
+  virtual void CancelImpl() override {
     DCHECK(!deadline().IsInitialized());
     epoll_alarm_impl_.UnregisterIfRegistered();
   }
@@ -45,7 +45,7 @@ class QuicEpollAlarm : public QuicAlarm {
    public:
     explicit EpollAlarmImpl(QuicEpollAlarm* alarm) : alarm_(alarm) {}
 
-    virtual int64 OnAlarm() OVERRIDE {
+    virtual int64 OnAlarm() override {
       EpollAlarm::OnAlarm();
       alarm_->Fire();
       // Fire will take care of registering the alarm, if needed.