Move files in wtf/ to platform/wtf/ (Part 11).

third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferBuilder.h

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// 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 ArrayBufferBuilder_h
-#define ArrayBufferBuilder_h
+#include "platform/wtf/typed_arrays/ArrayBufferBuilder.h"
 
-#include "wtf/Allocator.h"
-#include "wtf/Noncopyable.h"
-#include "wtf/RefPtr.h"
-#include "wtf/text/WTFString.h"
-#include "wtf/typed_arrays/ArrayBuffer.h"
-
-namespace WTF {
-
-// A utility class to build an ArrayBuffer instance. Validity must be checked
-// by isValid() before using an instance.
-class WTF_EXPORT ArrayBufferBuilder final {
-  // Disallow copying since it's expensive and we don't want code to do it by
-  // accident.
-  WTF_MAKE_NONCOPYABLE(ArrayBufferBuilder);
-  USING_FAST_MALLOC(ArrayBufferBuilder);
-
- public:
-  // Creates an ArrayBufferBuilder using the default capacity.
-  ArrayBufferBuilder();
-
-  ArrayBufferBuilder(unsigned capacity)
-      : m_bytesUsed(0), m_variableCapacity(true) {
-    m_buffer = ArrayBuffer::create(capacity, 1);
-  }
-
-  bool isValid() const { return m_buffer.get(); }
-
-  // Appending empty data is not allowed.
-  unsigned append(const char* data, unsigned length);
-
-  // Returns the accumulated data as an ArrayBuffer instance. If needed,
-  // creates a new ArrayBuffer instance and copies contents from the internal
-  // buffer to it. Otherwise, returns a PassRefPtr pointing to the internal
-  // buffer.
-  PassRefPtr<ArrayBuffer> toArrayBuffer();
-
-  // Converts the accumulated data into a String using the default encoding.
-  String toString();
-
-  // Number of bytes currently accumulated.
-  unsigned byteLength() const { return m_bytesUsed; }
-
-  // Number of bytes allocated.
-  unsigned capacity() const { return m_buffer->byteLength(); }
-
-  void shrinkToFit();
-
-  const void* data() const { return m_buffer->data(); }
-
-  // If set to false, the capacity won't be expanded and when appended data
-  // overflows, the overflowed part will be dropped.
-  void setVariableCapacity(bool value) { m_variableCapacity = value; }
-
- private:
-  // Expands the size of m_buffer to size + m_bytesUsed bytes. Returns true
-  // iff successful. If reallocation is needed, copies only data in
-  // [0, m_bytesUsed) range.
-  bool expandCapacity(unsigned size);
-
-  unsigned m_bytesUsed;
-  bool m_variableCapacity;
-  RefPtr<ArrayBuffer> m_buffer;
-};
-
-}  // namespace WTF
-
-using WTF::ArrayBufferBuilder;
-
-#endif  // ArrayBufferBuilder_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