PPAPI: Move PPB_ArrayBuffer out of Dev.

ppapi/cpp/dev/var_array_buffer_dev.h

-// 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.
-
-#ifndef PPAPI_CPP_DEV_VAR_ARRAY_BUFFER_DEV_H_
-#define PPAPI_CPP_DEV_VAR_ARRAY_BUFFER_DEV_H_
-
-#include "ppapi/cpp/var.h"
-
-/// @file
-/// This file defines the API for interacting with an ArrayBuffer.
-
-namespace pp {
-
-/// VarArrayBuffer_Dev provides a way to interact with JavaScript ArrayBuffers,
-/// which represent a contiguous sequence of bytes. Note that
-/// VarArrayBuffer_Devs are not part of the embedding page's DOM, and can only
-/// be shared with JavaScript via pp::Instance's PostMessage and HandleMessage
-/// functions.
-class VarArrayBuffer_Dev : public Var {
- public:
-  /// Contruct a VarArrayBuffer_Dev given a var for which is_array_buffer() is
-  /// true. This will refer to the same buffer as var, but allows you to access
-  /// methods specific to VarArrayBuffer_Dev.
-  ///
-  /// @param[in] var An array buffer Var.
-  explicit VarArrayBuffer_Dev(const Var& var);
-
-  VarArrayBuffer_Dev(const VarArrayBuffer_Dev& buffer) : Var(buffer) {}
-
-  /// Construct a new VarArrayBuffer_Dev which is size_in_bytes bytes long and
-  /// initialized to zero.
-  ///
-  /// @param[in] size_in_bytes The size of the constructed array in bytes.
-  VarArrayBuffer_Dev(uint32_t size_in_bytes);
-
-  /// Return the length of the VarArrayBuffer_Dev in bytes.
-  ///
-  /// @return The length of the VarArrayBuffer_Dev in bytes.
-  uint32_t ByteLength() const;
-
-  /// Return a pointer to the buffer associated with this VarArrayBuffer_Dev.
-  ///
-  /// @return A pointer to the buffer associated with this VarArrayBuffer_Dev.
-  void* Map();
-  const void* Map() const;
-
-  virtual ~VarArrayBuffer_Dev() {}
-
- private:
-  // We cache the buffer so that repeated calls to Map() are quick.
-  void* buffer_;
-};
-
-}  // namespace pp
-
-#endif  // PPAPI_CPP_DEV_VAR_ARRAY_BUFFER_DEV_H_