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

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

Index: third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferBuilder.cpp
diff --git a/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferBuilder.cpp b/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferBuilder.cpp
deleted file mode 100644
index 9266cb909f13c0f316e46ae6abfe4ef629e2efe6..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/typed_arrays/ArrayBufferBuilder.cpp
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * 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.
- */
-
-#include "wtf/typed_arrays/ArrayBufferBuilder.h"
-
-#include "wtf/Assertions.h"
-#include <limits>
-
-namespace WTF {
-
-static const int defaultBufferCapacity = 32768;
-
-ArrayBufferBuilder::ArrayBufferBuilder()
-    : m_bytesUsed(0), m_variableCapacity(true) {
-  m_buffer = ArrayBuffer::create(defaultBufferCapacity, 1);
-}
-
-bool ArrayBufferBuilder::expandCapacity(unsigned sizeToIncrease) {
-  unsigned currentBufferSize = m_buffer->byteLength();
-
-  // If the size of the buffer exceeds max of unsigned, it can't be grown any
-  // more.
-  if (sizeToIncrease > std::numeric_limits<unsigned>::max() - m_bytesUsed)
-    return false;
-
-  unsigned newBufferSize = m_bytesUsed + sizeToIncrease;
-
-  // Grow exponentially if possible.
-  unsigned exponentialGrowthNewBufferSize =
-      std::numeric_limits<unsigned>::max();
-  if (currentBufferSize <= std::numeric_limits<unsigned>::max() / 2)
-    exponentialGrowthNewBufferSize = currentBufferSize * 2;
-  if (exponentialGrowthNewBufferSize > newBufferSize)
-    newBufferSize = exponentialGrowthNewBufferSize;
-
-  // Copy existing data in current buffer to new buffer.
-  RefPtr<ArrayBuffer> newBuffer = ArrayBuffer::create(newBufferSize, 1);
-  if (!newBuffer)
-    return false;
-
-  memcpy(newBuffer->data(), m_buffer->data(), m_bytesUsed);
-  m_buffer = newBuffer;
-  return true;
-}
-
-unsigned ArrayBufferBuilder::append(const char* data, unsigned length) {
-  DCHECK_GT(length, 0u);
-
-  unsigned currentBufferSize = m_buffer->byteLength();
-
-  DCHECK_LE(m_bytesUsed, currentBufferSize);
-
-  unsigned remainingBufferSpace = currentBufferSize - m_bytesUsed;
-
-  unsigned bytesToSave = length;
-
-  if (length > remainingBufferSpace) {
-    if (m_variableCapacity) {
-      if (!expandCapacity(length))
-        return 0;
-    } else {
-      bytesToSave = remainingBufferSpace;
-    }
-  }
-
-  memcpy(static_cast<char*>(m_buffer->data()) + m_bytesUsed, data, bytesToSave);
-  m_bytesUsed += bytesToSave;
-
-  return bytesToSave;
-}
-
-PassRefPtr<ArrayBuffer> ArrayBufferBuilder::toArrayBuffer() {
-  // Fully used. Return m_buffer as-is.
-  if (m_buffer->byteLength() == m_bytesUsed)
-    return m_buffer;
-
-  return m_buffer->slice(0, m_bytesUsed);
-}
-
-String ArrayBufferBuilder::toString() {
-  return String(static_cast<const char*>(m_buffer->data()), m_bytesUsed);
-}
-
-void ArrayBufferBuilder::shrinkToFit() {
-  DCHECK_LE(m_bytesUsed, m_buffer->byteLength());
-
-  if (m_buffer->byteLength() > m_bytesUsed)
-    m_buffer = m_buffer->slice(0, m_bytesUsed);
-}
-
-}  // namespace WTF