SkLeanWindows.h: #include "Windows.h" fewer places

src/ports/SkDebug_win.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+#include "SkTypes.h"
 
+#if defined(SK_BUILD_FOR_WIN32)
 
-#include "SkTypes.h"
-#if defined(SK_BUILD_FOR_WIN32)
+#include "SkLeanWindows.h"
+
+#include <stdarg.h>
+#include <stdio.h>
 
 static const size_t kBufferSize = 2048;
 
-#include <stdarg.h>
-#include <stdio.h>
-#include <windows.h>
-
 void SkDebugf(const char format[], ...) {
     char    buffer[kBufferSize + 1];
     va_list args;
 
     va_start(args, format);
     vfprintf(stderr, format, args);
     va_end(args);
     fflush(stderr);  // stderr seems to be buffered on Windows.
 
     va_start(args, format);
     vsnprintf(buffer, kBufferSize, format, args);
     va_end(args);
 
     OutputDebugStringA(buffer);
 }
 #endif//defined(SK_BUILD_FOR_WIN32)