Move most of FontRenderStyle manipulation code into its own file

third_party/WebKit/Source/platform/exported/linux/WebFontRenderStyle.cpp

 /*
  * Copyright (C) 2010 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 29 matching lines @@
     out->useAutoHint = useAutoHint;
     out->useHinting = useHinting;
     out->hintStyle = hintStyle;
     out->useAntiAlias = useAntiAlias;
     out->useSubpixelRendering = useSubpixelRendering;
     out->useSubpixelPositioning = useSubpixelPositioning;
 }
 
 void WebFontRenderStyle::setDefaults()
 {
-    useBitmaps = 2;
-    useAutoHint = 2;
-    useHinting = 2;
+    useBitmaps = FontRenderStyle::NoPreference;
+    useAutoHint = FontRenderStyle::NoPreference;
+    useHinting = FontRenderStyle::NoPreference;
     hintStyle = 0;
-    useAntiAlias = 2;
-    useSubpixelRendering = 2;
-    useSubpixelPositioning = 2;
+    useAntiAlias = FontRenderStyle::NoPreference;
+    useSubpixelRendering = FontRenderStyle::NoPreference;
+    useSubpixelPositioning = FontRenderStyle::NoPreference;
 }
 
 } // namespace blink