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

base/memory/shared_memory_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/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/process/kill.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 37 matching lines @@
  public:
   explicit MultipleThreadMain(int16 id) : id_(id) {}
   virtual ~MultipleThreadMain() {}
 
   static void CleanUp() {
     SharedMemory memory;
     memory.Delete(s_test_name_);
   }
 
   // PlatformThread::Delegate interface.
-  virtual void ThreadMain() OVERRIDE {
+  void ThreadMain() override {
 #if defined(OS_MACOSX)
     mac::ScopedNSAutoreleasePool pool;
 #endif
     const uint32 kDataSize = 1024;
     SharedMemory memory;
     bool rv = memory.CreateNamedDeprecated(s_test_name_, true, kDataSize);
     EXPECT_TRUE(rv);
     rv = memory.Map(kDataSize);
     EXPECT_TRUE(rv);
     int *ptr = static_cast<int*>(memory.memory()) + id_;
@@ skipping 28 matching lines @@
 // Each thread will open the shared memory.  Each thread will take the memory,
 // and keep changing it while trying to lock it, with some small pauses in
 // between. Verify that each thread's value in the shared memory is always
 // correct.
 class MultipleLockThread : public PlatformThread::Delegate {
  public:
   explicit MultipleLockThread(int id) : id_(id) {}
   virtual ~MultipleLockThread() {}
 
   // PlatformThread::Delegate interface.
-  virtual void ThreadMain() OVERRIDE {
+  void ThreadMain() override {
     const uint32 kDataSize = sizeof(int);
     SharedMemoryHandle handle = NULL;
     {
       SharedMemory memory1;
       EXPECT_TRUE(memory1.CreateNamedDeprecated(
           "SharedMemoryMultipleLockThreadTest", true, kDataSize));
       EXPECT_TRUE(memory1.ShareToProcess(GetCurrentProcess(), &handle));
       // TODO(paulg): Implement this once we have a posix version of
       // SharedMemory::ShareToProcess.
       EXPECT_TRUE(true);
@@ skipping 573 matching lines @@
   SharedMemoryProcessTest::CleanUp();
 }
 
 MULTIPROCESS_TEST_MAIN(SharedMemoryTestMain) {
   return SharedMemoryProcessTest::TaskTestMain();
 }
 
 #endif  // !OS_IOS
 
 }  // namespace base