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

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

Index: third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferContents.cpp
diff --git a/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferContents.cpp b/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferContents.cpp
deleted file mode 100644
index 4ae02962fe3b376c0a59b494567543efe7d4aad4..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferContents.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- * 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
- */
-
-#include "wtf/typed_arrays/ArrayBufferContents.h"
-
-#include "base/allocator/partition_allocator/partition_alloc.h"
-#include "wtf/Assertions.h"
-#include "wtf/allocator/Partitions.h"
-#include <string.h>
-
-namespace WTF {
-
-void ArrayBufferContents::defaultAdjustAmountOfExternalAllocatedMemoryFunction(
-    int64_t diff) {
-  // Do nothing by default.
-}
-
-ArrayBufferContents::AdjustAmountOfExternalAllocatedMemoryFunction
-    ArrayBufferContents::s_adjustAmountOfExternalAllocatedMemoryFunction =
-        defaultAdjustAmountOfExternalAllocatedMemoryFunction;
-
-#if DCHECK_IS_ON()
-ArrayBufferContents::AdjustAmountOfExternalAllocatedMemoryFunction
-    ArrayBufferContents::
-        s_lastUsedAdjustAmountOfExternalAllocatedMemoryFunction;
-#endif
-
-ArrayBufferContents::ArrayBufferContents()
-    : m_holder(adoptRef(new DataHolder())) {}
-
-ArrayBufferContents::ArrayBufferContents(
-    unsigned numElements,
-    unsigned elementByteSize,
-    SharingType isShared,
-    ArrayBufferContents::InitializationPolicy policy)
-    : m_holder(adoptRef(new DataHolder())) {
-  // Do not allow 32-bit overflow of the total size.
-  unsigned totalSize = numElements * elementByteSize;
-  if (numElements) {
-    if (totalSize / numElements != elementByteSize) {
-      return;
-    }
-  }
-
-  m_holder->allocateNew(totalSize, isShared, policy);
-}
-
-ArrayBufferContents::ArrayBufferContents(DataHandle data,
-                                         unsigned sizeInBytes,
-                                         SharingType isShared)
-    : m_holder(adoptRef(new DataHolder())) {
-  if (data) {
-    m_holder->adopt(std::move(data), sizeInBytes, isShared);
-  } else {
-    DCHECK_EQ(sizeInBytes, 0u);
-    sizeInBytes = 0;
-    // Allow null data if size is 0 bytes, make sure data is valid pointer.
-    // (PartitionAlloc guarantees valid pointer for size 0)
-    m_holder->allocateNew(sizeInBytes, isShared, ZeroInitialize);
-  }
-}
-
-ArrayBufferContents::~ArrayBufferContents() {}
-
-void ArrayBufferContents::neuter() {
-  m_holder.clear();
-}
-
-void ArrayBufferContents::transfer(ArrayBufferContents& other) {
-  DCHECK(!isShared());
-  DCHECK(!other.m_holder->data());
-  other.m_holder = m_holder;
-  neuter();
-}
-
-void ArrayBufferContents::shareWith(ArrayBufferContents& other) {
-  DCHECK(isShared());
-  DCHECK(!other.m_holder->data());
-  other.m_holder = m_holder;
-}
-
-void ArrayBufferContents::copyTo(ArrayBufferContents& other) {
-  DCHECK(!m_holder->isShared() && !other.m_holder->isShared());
-  other.m_holder->copyMemoryFrom(*m_holder);
-}
-
-void* ArrayBufferContents::allocateMemoryWithFlags(size_t size,
-                                                   InitializationPolicy policy,
-                                                   int flags) {
-  void* data = PartitionAllocGenericFlags(
-      Partitions::arrayBufferPartition(), flags, size,
-      WTF_HEAP_PROFILER_TYPE_NAME(ArrayBufferContents));
-  if (policy == ZeroInitialize && data)
-    memset(data, '\0', size);
-  return data;
-}
-
-void* ArrayBufferContents::allocateMemoryOrNull(size_t size,
-                                                InitializationPolicy policy) {
-  return allocateMemoryWithFlags(size, policy, base::PartitionAllocReturnNull);
-}
-
-void ArrayBufferContents::freeMemory(void* data) {
-  PartitionFreeGeneric(Partitions::arrayBufferPartition(), data);
-}
-
-ArrayBufferContents::DataHandle ArrayBufferContents::createDataHandle(
-    size_t size,
-    InitializationPolicy policy) {
-  return DataHandle(ArrayBufferContents::allocateMemoryOrNull(size, policy),
-                    freeMemory);
-}
-
-ArrayBufferContents::DataHolder::DataHolder()
-    : m_data(nullptr, freeMemory),
-      m_sizeInBytes(0),
-      m_isShared(NotShared),
-      m_hasRegisteredExternalAllocation(false) {}
-
-ArrayBufferContents::DataHolder::~DataHolder() {
-  if (m_hasRegisteredExternalAllocation)
-    adjustAmountOfExternalAllocatedMemory(-static_cast<int64_t>(m_sizeInBytes));
-
-  m_data.reset();
-  m_sizeInBytes = 0;
-  m_isShared = NotShared;
-}
-
-void ArrayBufferContents::DataHolder::allocateNew(unsigned sizeInBytes,
-                                                  SharingType isShared,
-                                                  InitializationPolicy policy) {
-  DCHECK(!m_data);
-  DCHECK_EQ(m_sizeInBytes, 0u);
-  DCHECK(!m_hasRegisteredExternalAllocation);
-
-  m_data = createDataHandle(sizeInBytes, policy);
-  if (!m_data)
-    return;
-
-  m_sizeInBytes = sizeInBytes;
-  m_isShared = isShared;
-
-  adjustAmountOfExternalAllocatedMemory(m_sizeInBytes);
-}
-
-void ArrayBufferContents::DataHolder::adopt(DataHandle data,
-                                            unsigned sizeInBytes,
-                                            SharingType isShared) {
-  DCHECK(!m_data);
-  DCHECK_EQ(m_sizeInBytes, 0u);
-  DCHECK(!m_hasRegisteredExternalAllocation);
-
-  m_data = std::move(data);
-  m_sizeInBytes = sizeInBytes;
-  m_isShared = isShared;
-
-  adjustAmountOfExternalAllocatedMemory(m_sizeInBytes);
-}
-
-void ArrayBufferContents::DataHolder::copyMemoryFrom(const DataHolder& source) {
-  DCHECK(!m_data);
-  DCHECK_EQ(m_sizeInBytes, 0u);
-  DCHECK(!m_hasRegisteredExternalAllocation);
-
-  m_data = createDataHandle(source.sizeInBytes(), DontInitialize);
-  if (!m_data)
-    return;
-
-  m_sizeInBytes = source.sizeInBytes();
-  memcpy(m_data.get(), source.data(), source.sizeInBytes());
-
-  adjustAmountOfExternalAllocatedMemory(m_sizeInBytes);
-}
-
-void ArrayBufferContents::DataHolder::
-    registerExternalAllocationWithCurrentContext() {
-  DCHECK(!m_hasRegisteredExternalAllocation);
-  adjustAmountOfExternalAllocatedMemory(static_cast<int64_t>(m_sizeInBytes));
-}
-
-void ArrayBufferContents::DataHolder::
-    unregisterExternalAllocationWithCurrentContext() {
-  if (!m_hasRegisteredExternalAllocation)
-    return;
-  adjustAmountOfExternalAllocatedMemory(-static_cast<int64_t>(m_sizeInBytes));
-}
-
-}  // namespace WTF