replace OVERRIDE and FINAL with override and final in base/

base/message_loop/message_pump_libevent_unittest.cc

Index: base/message_loop/message_pump_libevent_unittest.cc
diff --git a/base/message_loop/message_pump_libevent_unittest.cc b/base/message_loop/message_pump_libevent_unittest.cc
index 9298d687609cff87a05f43f1a1c55e728ef8fb5a..e598d76281bc42e442396e5c2096bdb81de96248 100644
--- a/base/message_loop/message_pump_libevent_unittest.cc
+++ b/base/message_loop/message_pump_libevent_unittest.cc
@@ -23,7 +23,7 @@ class MessagePumpLibeventTest : public testing::Test {
         io_thread_("MessagePumpLibeventTestIOThread") {}
   virtual ~MessagePumpLibeventTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     Thread::Options options(MessageLoop::TYPE_IO, 0);
     ASSERT_TRUE(io_thread_.StartWithOptions(options));
     ASSERT_EQ(MessageLoop::TYPE_IO, io_thread_.message_loop()->type());
@@ -31,7 +31,7 @@ class MessagePumpLibeventTest : public testing::Test {
     ASSERT_EQ(0, ret);
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     if (IGNORE_EINTR(close(pipefds_[0])) < 0)
       PLOG(ERROR) << "close";
     if (IGNORE_EINTR(close(pipefds_[1])) < 0)
@@ -65,8 +65,8 @@ class StupidWatcher : public MessagePumpLibevent::Watcher {
   virtual ~StupidWatcher() {}
 
   // base:MessagePumpLibevent::Watcher interface
-  virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE {}
-  virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE {}
+  virtual void OnFileCanReadWithoutBlocking(int fd) override {}
+  virtual void OnFileCanWriteWithoutBlocking(int fd) override {}
 };
 
 #if GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
@@ -100,11 +100,11 @@ class BaseWatcher : public MessagePumpLibevent::Watcher {
   virtual ~BaseWatcher() {}
 
   // base:MessagePumpLibevent::Watcher interface
-  virtual void OnFileCanReadWithoutBlocking(int /* fd */) OVERRIDE {
+  virtual void OnFileCanReadWithoutBlocking(int /* fd */) override {
     NOTREACHED();
   }
 
-  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {
+  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) override {
     NOTREACHED();
   }
 
@@ -122,7 +122,7 @@ class DeleteWatcher : public BaseWatcher {
     DCHECK(!controller_);
   }
 
-  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {
+  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) override {
     DCHECK(controller_);
     delete controller_;
     controller_ = NULL;
@@ -149,7 +149,7 @@ class StopWatcher : public BaseWatcher {
 
   virtual ~StopWatcher() {}
 
-  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {
+  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) override {
     controller_->StopWatchingFileDescriptor();
   }
 };
@@ -179,14 +179,14 @@ class NestedPumpWatcher : public MessagePumpLibevent::Watcher {
   NestedPumpWatcher() {}
   virtual ~NestedPumpWatcher() {}
 
-  virtual void OnFileCanReadWithoutBlocking(int /* fd */) OVERRIDE {
+  virtual void OnFileCanReadWithoutBlocking(int /* fd */) override {
     RunLoop runloop;
     MessageLoop::current()->PostTask(FROM_HERE, Bind(&QuitMessageLoopAndStart,
                                                      runloop.QuitClosure()));
     runloop.Run();
   }
 
-  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {}
+  virtual void OnFileCanWriteWithoutBlocking(int /* fd */) override {}
 };
 
 TEST_F(MessagePumpLibeventTest, NestedPumpWatcher) {