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

third_party/WebKit/Source/wtf/typed_arrays/ArrayPiece.cpp

-// 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.
-
-#include "wtf/typed_arrays/ArrayPiece.h"
-
-#include "wtf/Assertions.h"
-#include "wtf/typed_arrays/ArrayBuffer.h"
-#include "wtf/typed_arrays/ArrayBufferView.h"
-
-namespace WTF {
-
-ArrayPiece::ArrayPiece() {
-  initNull();
-}
-
-ArrayPiece::ArrayPiece(void* data, unsigned byteLength) {
-  initWithData(data, byteLength);
-}
-
-ArrayPiece::ArrayPiece(ArrayBuffer* buffer) {
-  if (buffer) {
-    initWithData(buffer->data(), buffer->byteLength());
-  } else {
-    initNull();
-  }
-}
-
-ArrayPiece::ArrayPiece(ArrayBufferView* buffer) {
-  if (buffer) {
-    initWithData(buffer->baseAddress(), buffer->byteLength());
-  } else {
-    initNull();
-  }
-}
-
-bool ArrayPiece::isNull() const {
-  return m_isNull;
-}
-
-void* ArrayPiece::data() const {
-  DCHECK(!isNull());
-  return m_data;
-}
-
-unsigned char* ArrayPiece::bytes() const {
-  return static_cast<unsigned char*>(data());
-}
-
-unsigned ArrayPiece::byteLength() const {
-  DCHECK(!isNull());
-  return m_byteLength;
-}
-
-void ArrayPiece::initWithData(void* data, unsigned byteLength) {
-  m_byteLength = byteLength;
-  m_data = data;
-  m_isNull = false;
-}
-
-void ArrayPiece::initNull() {
-  m_byteLength = 0;
-  m_data = 0;
-  m_isNull = true;
-}
-
-}  // namespace WTF