Revert of [Reland] Scheduler refactoring to virtually eliminate redundant DoWorks

third_party/WebKit/Source/platform/scheduler/base/moveable_auto_lock.h

-// Copyright 2016 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.
-
-#ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_MOVEABLE_AUTO_LOCK_H_
-#define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_MOVEABLE_AUTO_LOCK_H_
-
-#include "base/synchronization/lock.h"
-
-namespace blink {
-namespace scheduler {
-
-class MoveableAutoLock {
- public:
-  explicit MoveableAutoLock(base::Lock& lock) : lock_(lock), moved_(false) {
-    lock_.Acquire();
-  }
-
-  explicit MoveableAutoLock(MoveableAutoLock&& other)
-      : lock_(other.lock_), moved_(other.moved_) {
-    lock_.AssertAcquired();
-    other.moved_ = true;
-  }
-
-  ~MoveableAutoLock() {
-    if (moved_)
-      return;
-    lock_.AssertAcquired();
-    lock_.Release();
-  }
-
- private:
-  base::Lock& lock_;
-  bool moved_;
-  DISALLOW_COPY_AND_ASSIGN(MoveableAutoLock);
-};
-
-}  // namespace scheduler
-}  // namespace blink
-
-#endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_MOVEABLE_AUTO_LOCK_H_