Move Partition Allocator into Chromium base.

base/allocator/partition_allocator/partition_allocator.cc

+// Copyright (c) 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 "base/allocator/partition_allocator/partition_allocator.h"
+
+#include "base/allocator/partition_allocator/partition_alloc.h"
+#include "base/allocator/partition_allocator/partitions.h"
+
+namespace base {
+
+void* PartitionAllocator::allocateBacking(size_t size, const char* typeName) {
+  return Partitions::bufferMalloc(size, typeName);
+}
+
+void PartitionAllocator::freeVectorBacking(void* address) {
+  Partitions::bufferFree(address);
+}
+
+void PartitionAllocator::freeHashTableBacking(void* address) {
+  Partitions::bufferFree(address);
+}
+
+template <>
+char* PartitionAllocator::allocateVectorBacking<char>(size_t size) {
+  return reinterpret_cast<char*>(
+      allocateBacking(size, "PartitionAllocator::allocateVectorBacking<char>"));
+}
+
+template <>
+char* PartitionAllocator::allocateExpandedVectorBacking<char>(size_t size) {
+  return reinterpret_cast<char*>(allocateBacking(
+      size, "PartitionAllocator::allocateExpandedVectorBacking<char>"));
+}
+
+}  // namespace base