Move WTF classes related to typed arrays to wtf/typed_arrays

third_party/WebKit/Source/wtf/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/ArrayPiece.h"
-
-#include "wtf/ArrayBuffer.h"
-#include "wtf/ArrayBufferView.h"
-#include "wtf/Assertions.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
-{
-    ASSERT(!isNull());
-    return m_data;
-}
-
-unsigned char* ArrayPiece::bytes() const
-{
-    return static_cast<unsigned char*>(data());
-}
-
-unsigned ArrayPiece::byteLength() const
-{
-    ASSERT(!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