replace OVERRIDE and FINAL with override and final in sandbox/

sandbox/mac/dispatch_source_mach_unittest.cc

 // Copyright 2014 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 "sandbox/mac/dispatch_source_mach.h"
 
 #include <mach/mach.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_mach_port.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/test_timeouts.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sandbox {
 
 class DispatchSourceMachTest : public testing::Test {
  public:
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     mach_port_t port = MACH_PORT_NULL;
     ASSERT_EQ(KERN_SUCCESS, mach_port_allocate(mach_task_self(),
         MACH_PORT_RIGHT_RECEIVE, &port));
     receive_right_.reset(port);
 
     ASSERT_EQ(KERN_SUCCESS, mach_port_insert_right(mach_task_self(), port,
         port, MACH_MSG_TYPE_MAKE_SEND));
     send_right_.reset(port);
   }
 
@@ skipping 80 matching lines @@
           dispatch_semaphore_signal(signal);
       });
     }
   }
 
   WaitForSemaphore(signal);
   dispatch_release(queue);
 }
 
 }  // namespace sandbox