Delete gpu/command_buffer/client/atomicops.h

gpu/command_buffer/client/atomicops.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 "gpu/command_buffer/client/atomicops.h"
-
-#include "base/logging.h"
-
-#if !defined(__native_client__)
-#include "base/atomicops.h"
-#include "base/synchronization/lock.h"
-#else
-#include <pthread.h>
-#endif
-
-namespace gpu {
-
-#if defined(__native_client__)
-
-class LockImpl {
- public:
-  LockImpl()
-       : acquired_(false) {
-    pthread_mutex_init(&mutex_, NULL);
-  }
-
-  ~LockImpl() {
-    pthread_mutex_destroy(&mutex_);
-  }
-
-  void Acquire() {
-    pthread_mutex_lock(&mutex_);
-    acquired_ = true;
-  }
-
-  void Release() {
-    DCHECK(acquired_);
-    acquired_ = false;
-    pthread_mutex_unlock(&mutex_);
-  }
-
-  bool Try() {
-    bool acquired = pthread_mutex_trylock(&mutex_) == 0;
-    if (acquired) {
-      acquired_ = true;
-    }
-    return acquired;
-  }
-
-  void AssertAcquired() const {
-    DCHECK(acquired_);
-  }
-
- private:
-  bool acquired_;
-  pthread_mutex_t mutex_;
-
-  DISALLOW_COPY_AND_ASSIGN(LockImpl);
-};
-
-#else  // !__native_client__
-
-class LockImpl : public base::Lock {
-};
-
-#endif  // !__native_client__
-
-Lock::Lock()
-    : lock_(new LockImpl()) {
-}
-
-Lock::~Lock() {
-}
-
-void Lock::Acquire() {
-  lock_->Acquire();
-}
-
-void Lock::Release() {
-  lock_->Release();
-}
-
-bool Lock::Try() {
-  return lock_->Try();
-}
-
-void Lock::AssertAcquired() const {
-  return lock_->AssertAcquired();
-}
-
-}  // namespace gpu
-