PPAPI: Move PPB_ArrayBuffer out of Dev.

ppapi/cpp/dev/var_array_buffer_dev.cc

-// Copyright (c) 2011 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 "ppapi/cpp/dev/var_array_buffer_dev.h"
-
-#include "ppapi/c/dev/ppb_var_array_buffer_dev.h"
-#include "ppapi/cpp/logging.h"
-#include "ppapi/cpp/module_impl.h"
-
-namespace pp {
-
-namespace {
-
-template <> const char* interface_name<PPB_VarArrayBuffer_Dev>() {
-  return PPB_VAR_ARRAY_BUFFER_DEV_INTERFACE;
-}
-
-}  // namespace
-
-VarArrayBuffer_Dev::VarArrayBuffer_Dev(const Var& var)
-    : Var(var), buffer_(NULL) {
-  if (var.is_array_buffer()) {
-    buffer_ = Map();
-  } else {
-    PP_NOTREACHED();
-    var_ = PP_MakeNull();
-  }
-}
-
-VarArrayBuffer_Dev::VarArrayBuffer_Dev(uint32_t size_in_bytes)
-    : buffer_(NULL) {
-  if (has_interface<PPB_VarArrayBuffer_Dev>()) {
-    var_ = get_interface<PPB_VarArrayBuffer_Dev>()->Create(size_in_bytes);
-    needs_release_ = true;
-    buffer_ = Map();
-  } else {
-    PP_NOTREACHED();
-    var_ = PP_MakeNull();
-  }
-}
-
-uint32_t VarArrayBuffer_Dev::ByteLength() const {
-  if (has_interface<PPB_VarArrayBuffer_Dev>()) {
-    return get_interface<PPB_VarArrayBuffer_Dev>()->ByteLength(var_);
-  }
-  PP_NOTREACHED();
-  return 0;
-}
-
-const void* VarArrayBuffer_Dev::Map() const {
-  return const_cast<VarArrayBuffer_Dev*>(this)->Map();
-}
-
-void* VarArrayBuffer_Dev::Map() {
-  // TODO(dmichael): This is not thread-safe.
-  if (buffer_)
-    return buffer_;
-  if (has_interface<PPB_VarArrayBuffer_Dev>()) {
-    buffer_ = get_interface<PPB_VarArrayBuffer_Dev>()->Map(var_);
-    return buffer_;
-  }
-  PP_NOTREACHED();
-  return 0;
-}
-
-}  // namespace pp