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

base/bind_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/bind.h"
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 48 matching lines @@
  public:
   void AddRef(void) const {}
   void Release(void) const {}
   virtual void VirtualSet() { value = kParentValue; }
   void NonVirtualSet() { value = kParentValue; }
   int value;
 };
 
 class Child : public Parent {
  public:
-  virtual void VirtualSet() OVERRIDE { value = kChildValue; }
+  void VirtualSet() override { value = kChildValue; }
   void NonVirtualSet() { value = kChildValue; }
 };
 
 class NoRefParent {
  public:
   virtual void VirtualSet() { value = kParentValue; }
   void NonVirtualSet() { value = kParentValue; }
   int value;
 };
 
 class NoRefChild : public NoRefParent {
-  virtual void VirtualSet() OVERRIDE { value = kChildValue; }
+  void VirtualSet() override { value = kChildValue; }
   void NonVirtualSet() { value = kChildValue; }
 };
 
 // Used for probing the number of copies that occur if a type must be coerced
 // during argument forwarding in the Run() methods.
 struct DerivedCopyCounter {
   DerivedCopyCounter(int* copies, int* assigns)
       : copies_(copies), assigns_(assigns) {
   }
   int* copies_;
@@ skipping 728 matching lines @@
   base::Callback<void(int)> null_cb;
   ASSERT_TRUE(null_cb.is_null());
   EXPECT_DEATH(base::Bind(null_cb, 42), "");
 }
 
 #endif  // (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) &&
         //     GTEST_HAS_DEATH_TEST
 
 }  // namespace
 }  // namespace base