Deleted OS_WIN and all Windows specific files from base.

base/win/scoped_com_initializer.h

-// Copyright (c) 2012 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_COM_INITIALIZER_H_
-#define BASE_WIN_SCOPED_COM_INITIALIZER_H_
-
-#include <objbase.h>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "build/build_config.h"
-
-namespace base {
-namespace win {
-
-// Initializes COM in the constructor (STA or MTA), and uninitializes COM in the
-// destructor.
-//
-// WARNING: This should only be used once per thread, ideally scoped to a
-// similar lifetime as the thread itself.  You should not be using this in
-// random utility functions that make COM calls -- instead ensure these
-// functions are running on a COM-supporting thread!
-class ScopedCOMInitializer {
- public:
-  // Enum value provided to initialize the thread as an MTA instead of STA.
-  enum SelectMTA { kMTA };
-
-  // Constructor for STA initialization.
-  ScopedCOMInitializer() {
-    Initialize(COINIT_APARTMENTTHREADED);
-  }
-
-  // Constructor for MTA initialization.
-  explicit ScopedCOMInitializer(SelectMTA mta) {
-    Initialize(COINIT_MULTITHREADED);
-  }
-
-  ~ScopedCOMInitializer() {
-#ifndef NDEBUG
-    // Using the windows API directly to avoid dependency on platform_thread.
-    DCHECK_EQ(GetCurrentThreadId(), thread_id_);
-#endif
-    if (succeeded())
-      CoUninitialize();
-  }
-
-  bool succeeded() const { return SUCCEEDED(hr_); }
-
- private:
-  void Initialize(COINIT init) {
-#ifndef NDEBUG
-    thread_id_ = GetCurrentThreadId();
-#endif
-    hr_ = CoInitializeEx(NULL, init);
-#ifndef NDEBUG
-    if (hr_ == S_FALSE)
-      LOG(ERROR) << "Multiple CoInitialize() calls for thread " << thread_id_;
-    else
-      DCHECK_NE(RPC_E_CHANGED_MODE, hr_) << "Invalid COM thread model change";
-#endif
-  }
-
-  HRESULT hr_;
-#ifndef NDEBUG
-  // In debug builds we use this variable to catch a potential bug where a
-  // ScopedCOMInitializer instance is deleted on a different thread than it
-  // was initially created on.  If that ever happens it can have bad
-  // consequences and the cause can be tricky to track down.
-  DWORD thread_id_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer);
-};
-
-}  // namespace win
-}  // namespace base
-
-#endif  // BASE_WIN_SCOPED_COM_INITIALIZER_H_