Revert "Move files in wtf/ to platform/wtf/"

third_party/WebKit/Source/platform/wtf/RefVector.h

-// Copyright 2014 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 RefVector_h
-#define RefVector_h
-
-#include "platform/wtf/RefCounted.h"
-#include "platform/wtf/RefPtr.h"
-#include "platform/wtf/Vector.h"
-
-namespace blink {
-
-template <typename T>
-class RefVector : public RefCounted<RefVector<T>> {
- public:
-  static PassRefPtr<RefVector> create() { return adoptRef(new RefVector<T>); }
-  static PassRefPtr<RefVector> create(const Vector<T>& vector) {
-    return adoptRef(new RefVector<T>(vector));
-  }
-  static PassRefPtr<RefVector> create(Vector<T>&& vector) {
-    return adoptRef(new RefVector<T>(vector));
-  }
-  PassRefPtr<RefVector> copy() { return create(vector()); }
-
-  const T& operator[](size_t i) const { return m_vector[i]; }
-  T& operator[](size_t i) { return m_vector[i]; }
-  const T& at(size_t i) const { return m_vector.at(i); }
-  T& at(size_t i) { return m_vector.at(i); }
-
-  bool operator==(const RefVector& o) const { return m_vector == o.m_vector; }
-  bool operator!=(const RefVector& o) const { return m_vector != o.m_vector; }
-
-  size_t size() const { return m_vector.size(); }
-  bool isEmpty() const { return !size(); }
-  void append(const T& decoration) { m_vector.push_back(decoration); }
-  const Vector<T>& vector() const { return m_vector; }
-
- private:
-  Vector<T> m_vector;
-  RefVector() {}
-  RefVector(const Vector<T>& vector) : m_vector(vector) {}
-  RefVector(Vector<T>&& vector) : m_vector(vector) {}
-};
-
-}  // namespace blink
-
-#endif  // RefVector_h