Deleted OS_WIN and all Windows specific files from base.

base/win/scoped_propvariant.h

-// Copyright (c) 2013 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 BASE_WIN_SCOPED_PROPVARIANT_H_
-#define BASE_WIN_SCOPED_PROPVARIANT_H_
-
-#include <propidl.h>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-
-namespace base {
-namespace win {
-
-// A PROPVARIANT that is automatically initialized and cleared upon respective
-// construction and destruction of this class.
-class ScopedPropVariant {
- public:
-  ScopedPropVariant() {
-    PropVariantInit(&pv_);
-  }
-
-  ~ScopedPropVariant() {
-    Reset();
-  }
-
-  // Returns a pointer to the underlying PROPVARIANT for use as an out param in
-  // a function call.
-  PROPVARIANT* Receive() {
-    DCHECK_EQ(pv_.vt, VT_EMPTY);
-    return &pv_;
-  }
-
-  // Clears the instance to prepare it for re-use (e.g., via Receive).
-  void Reset() {
-    if (pv_.vt != VT_EMPTY) {
-      HRESULT result = PropVariantClear(&pv_);
-      DCHECK_EQ(result, S_OK);
-    }
-  }
-
-  const PROPVARIANT& get() const { return pv_; }
-  const PROPVARIANT* ptr() const { return &pv_; }
-
- private:
-  PROPVARIANT pv_;
-
-  // Comparison operators for ScopedPropVariant are not supported at this point.
-  bool operator==(const ScopedPropVariant&) const;
-  bool operator!=(const ScopedPropVariant&) const;
-  DISALLOW_COPY_AND_ASSIGN(ScopedPropVariant);
-};
-
-}  // namespace win
-}  // namespace base
-
-#endif  // BASE_WIN_SCOPED_PROPVARIANT_H_