Starting to remove windows.h includes from things.

src/xenia/base/platform_win.h

@@ -0,0 +1,36 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_BASE_PLATFORM_WIN_H_
+#define XENIA_BASE_PLATFORM_WIN_H_
+
+// NOTE: if you're including this file it means you are explicitly depending
+// on Windows-specific headers. This is bad for portability and should be
+// avoided!
+
+#include "xenia/base/platform.h"
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#define NOMINMAX
+#include <SDKDDKVer.h>
+#include <windows.h>
+#include <ObjBase.h>
+#include <shellapi.h>
+#include <shlwapi.h>
+#include <shobjidl.h>
+#include <dwmapi.h>
+#include <tpcshrd.h>
+#include <windowsx.h>
+#undef DeleteBitmap
+#undef DeleteFile
+#undef GetFirstChild
+
+#endif  // XENIA_BASE_PLATFORM_WIN_H_