replace 'virtual ... OVERRIDE' with '... override'

base/threading/simple_thread_unittest.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/atomic_sequence_num.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/simple_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 namespace {
 
 class SetIntRunner : public DelegateSimpleThread::Delegate {
  public:
   SetIntRunner(int* ptr, int val) : ptr_(ptr), val_(val) { }
   virtual ~SetIntRunner() { }
 
-  virtual void Run() OVERRIDE {
-    *ptr_ = val_;
-  }
+  void Run() override { *ptr_ = val_; }
 
  private:
   int* ptr_;
   int val_;
 };
 
 class WaitEventRunner : public DelegateSimpleThread::Delegate {
  public:
   explicit WaitEventRunner(WaitableEvent* event) : event_(event) { }
   virtual ~WaitEventRunner() { }
 
-  virtual void Run() OVERRIDE {
+  void Run() override {
     EXPECT_FALSE(event_->IsSignaled());
     event_->Signal();
     EXPECT_TRUE(event_->IsSignaled());
   }
  private:
   WaitableEvent* event_;
 };
 
 class SeqRunner : public DelegateSimpleThread::Delegate {
  public:
   explicit SeqRunner(AtomicSequenceNumber* seq) : seq_(seq) { }
-  virtual void Run() OVERRIDE {
-    seq_->GetNext();
-  }
+  void Run() override { seq_->GetNext(); }
 
  private:
   AtomicSequenceNumber* seq_;
 };
 
 // We count up on a sequence number, firing on the event when we've hit our
 // expected amount, otherwise we wait on the event.  This will ensure that we
 // have all threads outstanding until we hit our expected thread pool size.
 class VerifyPoolRunner : public DelegateSimpleThread::Delegate {
  public:
   VerifyPoolRunner(AtomicSequenceNumber* seq,
                    int total, WaitableEvent* event)
       : seq_(seq), total_(total), event_(event) { }
 
-  virtual void Run() OVERRIDE {
+  void Run() override {
     if (seq_->GetNext() == total_) {
       event_->Signal();
     } else {
       event_->Wait();
     }
   }
 
  private:
   AtomicSequenceNumber* seq_;
   int total_;
@@ skipping 87 matching lines @@
   VerifyPoolRunner verifier(&seq2, 9, &event);
   pool.Start();
 
   pool.AddWork(&verifier, 10);
 
   pool.JoinAll();
   EXPECT_EQ(seq2.GetNext(), 10);
 }
 
 }  // namespace base