Move files in wtf/ to platform/wtf/ (Part 7).

third_party/WebKit/Source/wtf/PtrUtil.h

-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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 PtrUtil_h
-#define PtrUtil_h
+#include "platform/wtf/PtrUtil.h"
 
-#include "base/memory/ptr_util.h"
-#include "wtf/TypeTraits.h"
-
-#include <memory>
-
-namespace WTF {
-
-template <typename T>
-std::unique_ptr<T> wrapUnique(T* ptr) {
-  static_assert(
-      !WTF::IsGarbageCollectedType<T>::value,
-      "Garbage collected types should not be stored in std::unique_ptr!");
-  return std::unique_ptr<T>(ptr);
-}
-
-template <typename T>
-std::unique_ptr<T[]> wrapArrayUnique(T* ptr) {
-  static_assert(
-      !WTF::IsGarbageCollectedType<T>::value,
-      "Garbage collected types should not be stored in std::unique_ptr!");
-  return std::unique_ptr<T[]>(ptr);
-}
-
-// WTF::makeUnique is base::MakeUnique. See base/ptr_util.h for documentation.
-template <typename T, typename... Args>
-auto makeUnique(Args&&... args)
-    -> decltype(base::MakeUnique<T>(std::forward<Args>(args)...)) {
-  static_assert(
-      !WTF::IsGarbageCollectedType<T>::value,
-      "Garbage collected types should not be stored in std::unique_ptr!");
-  return base::MakeUnique<T>(std::forward<Args>(args)...);
-}
-
-template <typename T>
-auto makeUnique(size_t size) -> decltype(base::MakeUnique<T>(size)) {
-  static_assert(
-      !WTF::IsGarbageCollectedType<T>::value,
-      "Garbage collected types should not be stored in std::unique_ptr!");
-  return base::MakeUnique<T>(size);
-}
-
-}  // namespace WTF
-
-using WTF::wrapArrayUnique;
-
-#endif  // PtrUtil_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ