Index: third_party/WebKit/Source/core/dom/NotShared.h |
diff --git a/third_party/WebKit/Source/core/dom/NotShared.h b/third_party/WebKit/Source/core/dom/NotShared.h |
deleted file mode 100644 |
index 69173aaea4610677a9fcc4a8d9ea73971f742986..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/Source/core/dom/NotShared.h |
+++ /dev/null |
@@ -1,68 +0,0 @@ |
-// 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 NotShared_h |
-#define NotShared_h |
- |
-// A wrapper template type that is used to ensure that a TypedArray is not |
-// backed by a SharedArrayBuffer. |
-// |
-// Typically this is used as an annotation on C++ functions that are called by |
-// the bindings layer, e.g.: |
-// |
-// void Foo(NotShared<DOMUint32Array> param) { |
-// DOMUint32Array* array = param.View(); |
-// ... |
-// } |
- |
-#include "platform/heap/Handle.h" |
- |
-namespace blink { |
- |
-template <typename T> |
-class NotShared { |
- STACK_ALLOCATED(); |
- |
- public: |
- using TypedArrayType = T; |
- |
- NotShared() {} |
- |
- explicit NotShared(T* typedArray) : typed_array_(typedArray) { |
- DCHECK(!(typedArray && typedArray->View()->IsShared())); |
- } |
- NotShared(const NotShared& other) = default; |
- template <typename U> |
- NotShared(const NotShared<U>& other) : typed_array_(other.View()) {} |
- template <typename U> |
- NotShared(const Member<U>& other) { |
- DCHECK(!other->View()->IsShared()); |
- typed_array_ = other.Get(); |
- } |
- |
- NotShared& operator=(const NotShared& other) = default; |
- template <typename U> |
- NotShared& operator=(const NotShared<U>& other) { |
- typed_array_ = other.View(); |
- return *this; |
- } |
- |
- T* View() const { return typed_array_.Get(); } |
- |
- bool operator!() const { return !typed_array_; } |
- explicit operator bool() const { return !!typed_array_; } |
- |
- private: |
- // Must use an untraced member here since this object may be constructed on a |
- // thread without a ThreadState (e.g. an Audio worklet). It is safe in that |
- // case because the pointed-to ArrayBuffer is being kept alive another way |
- // (e.g. CrossThreadPersistent). |
- // |
- // TODO(binji): update to using Member, see crbug.com/710295. |
- UntracedMember<T> typed_array_; |
-}; |
- |
-} // namespace blink |
- |
-#endif // NotShared_h |