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

include/core/SkPreConfig.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // IWYU pragma: private, include "SkTypes.h"
 
 #ifndef SkPreConfig_DEFINED
@@ skipping 192 matching lines @@
     #define SK_ARM_HAS_NEON
 #endif
 
 //////////////////////////////////////////////////////////////////////
 
 #if !defined(SKIA_IMPLEMENTATION)
     #define SKIA_IMPLEMENTATION 0
 #endif
 
 #if defined(SKIA_DLL)
-    #if defined(WIN32)
+    #if defined(SK_BUILD_FOR_WIN32)
         #if SKIA_IMPLEMENTATION
             #define SK_API __declspec(dllexport)
         #else
             #define SK_API __declspec(dllimport)
         #endif
     #else
         #define SK_API __attribute__((visibility("default")))
     #endif
 #else
     #define SK_API
@@ skipping 37 matching lines @@
  *
  * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute.
  */
 #if SK_HAS_ATTRIBUTE(optimize)
 #   define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1")))
 #else
 #   define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */
 #endif
 
 #endif