Deleted OS_WIN and all Windows specific files from base.

base/win/iunknown_impl_unittest.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 "base/win/iunknown_impl.h"
-
-#include "base/win/scoped_com_initializer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace win {
-
-class TestIUnknownImplSubclass : public IUnknownImpl {
- public:
-  TestIUnknownImplSubclass() {
-    ++instance_count;
-  }
-  ~TestIUnknownImplSubclass() override { --instance_count; }
-  static int instance_count;
-};
-
-// static
-int TestIUnknownImplSubclass::instance_count = 0;
-
-TEST(IUnknownImplTest, IUnknownImpl) {
-  ScopedCOMInitializer com_initializer;
-
-  EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count);
-  IUnknown* u = new TestIUnknownImplSubclass();
-
-  EXPECT_EQ(1, TestIUnknownImplSubclass::instance_count);
-
-  EXPECT_EQ(1, u->AddRef());
-  EXPECT_EQ(1, u->AddRef());
-
-  IUnknown* other = NULL;
-  EXPECT_EQ(E_NOINTERFACE, u->QueryInterface(
-      IID_IDispatch, reinterpret_cast<void**>(&other)));
-  EXPECT_EQ(S_OK, u->QueryInterface(
-      IID_IUnknown, reinterpret_cast<void**>(&other)));
-  other->Release();
-
-  EXPECT_EQ(1, u->Release());
-  EXPECT_EQ(0, u->Release());
-  EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count);
-}
-
-}  // namespace win
-}  // namespace base