Move the windows-specific scoped_* stuff from base to base/win and in the bas...

base/scoped_bstr_win.cc

-// Copyright (c) 2006-2008 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/scoped_bstr_win.h"
-
-#include "base/logging.h"
-
-
-ScopedBstr::ScopedBstr(const wchar_t* non_bstr)
-    : bstr_(SysAllocString(non_bstr)) {
-}
-
-ScopedBstr::~ScopedBstr() {
-  COMPILE_ASSERT(sizeof(ScopedBstr) == sizeof(BSTR), ScopedBstrSize);
-  SysFreeString(bstr_);
-}
-
-void ScopedBstr::Reset(BSTR bstr) {
-  if (bstr != bstr_) {
-    // if |bstr_| is NULL, SysFreeString does nothing.
-    SysFreeString(bstr_);
-    bstr_ = bstr;
-  }
-}
-
-BSTR ScopedBstr::Release() {
-  BSTR bstr = bstr_;
-  bstr_ = NULL;
-  return bstr;
-}
-
-void ScopedBstr::Swap(ScopedBstr& bstr2) {
-  BSTR tmp = bstr_;
-  bstr_ = bstr2.bstr_;
-  bstr2.bstr_ = tmp;
-}
-
-BSTR* ScopedBstr::Receive() {
-  DCHECK(bstr_ == NULL) << "BSTR leak.";
-  return &bstr_;
-}
-
-BSTR ScopedBstr::Allocate(const wchar_t* wide_str) {
-  Reset(SysAllocString(wide_str));
-  return bstr_;
-}
-
-BSTR ScopedBstr::AllocateBytes(int bytes) {
-  Reset(SysAllocStringByteLen(NULL, bytes));
-  return bstr_;
-}
-
-void ScopedBstr::SetByteLen(uint32 bytes) {
-  DCHECK(bstr_ != NULL) << "attempting to modify a NULL bstr";
-  uint32* data = reinterpret_cast<uint32*>(bstr_);
-  data[-1] = bytes;
-}
-
-uint32 ScopedBstr::Length() const {
-  return SysStringLen(bstr_);
-}
-
-uint32 ScopedBstr::ByteLength() const {
-  return SysStringByteLen(bstr_);
-}