Rename OS(WINDOWS) to OS(WIN)

Source/web/WebFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1265 matching lines @@
 {
     WebPluginContainerImpl* pluginContainer = pluginContainerFromFrame(frame());
     if (pluginContainer)
         return pluginContainer->plugin()->selectionAsText();
 
     RefPtr<Range> range = frame()->selection().toNormalizedRange();
     if (!range)
         return WebString();
 
     String text = range->text();
-#if OS(WINDOWS)
+#if OS(WIN)
     replaceNewlinesWithWindowsStyleNewlines(text);
 #endif
     replaceNBSPWithSpace(text);
     return text;
 }
 
 WebString WebFrameImpl::selectionAsMarkup() const
 {
     WebPluginContainerImpl* pluginContainer = pluginContainerFromFrame(frame());
     if (pluginContainer)
@@ skipping 1179 matching lines @@
 
         // There is a possibility that the frame being detached was the only
         // pending one. We need to make sure final replies can be sent.
         flushCurrentScopingEffort(m_findRequestIdentifier);
 
         cancelPendingScopingEffort();
     }
 }
 
 } // namespace WebKit