Move most of FontRenderStyle manipulation code into its own file

third_party/WebKit/Source/platform/fonts/linux/FontRenderStyle.h

 /* 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
  * copyright notice, this list of conditions and the following disclaimer
@@ skipping 12 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FontRenderStyle_h
 #define FontRenderStyle_h
 
+#include "SkPaint.h"
+#include "SkTypeface.h"
+#include "platform/PlatformExport.h"
 #include "wtf/Allocator.h"
+#include "wtf/text/CString.h"
 
 namespace blink {
 
 // FontRenderStyle describes the user's preferences for rendering a font at a
 // given size.
 struct FontRenderStyle {
     DISALLOW_NEW();
     enum {
         NoPreference = 2,
     };
@@ skipping 11 matching lines @@
     {
         return useBitmaps == a.useBitmaps
             && useAutoHint == a.useAutoHint
             && useHinting == a.useHinting
             && hintStyle == a.hintStyle
             && useAntiAlias == a.useAntiAlias
             && useSubpixelRendering == a.useSubpixelRendering
             && useSubpixelPositioning == a.useSubpixelPositioning;
     }
 
+    PLATFORM_EXPORT static void setHinting(SkPaint::Hinting);
+    PLATFORM_EXPORT static void setAutoHint(bool);
+    PLATFORM_EXPORT static void setUseBitmaps(bool);
+    PLATFORM_EXPORT static void setAntiAlias(bool);
+    PLATFORM_EXPORT static void setSubpixelRendering(bool);
+
+    static FontRenderStyle querySystem(const CString& family, float textSize, SkTypeface::Style typefaceStyle);
+    void applyToPaint(SkPaint&, float deviceScaleFactor) const;
+
     // Each of the use* members below can take one of three values:
     //   0: off
     //   1: on
     //   NoPreference: no preference expressed
     char useBitmaps; // use embedded bitmap strike if possible
     char useAutoHint; // use 'auto' hinting (FreeType specific)
     char useHinting; // hint glyphs to the pixel grid
     char hintStyle; // level of hinting, 0..3
     char useAntiAlias; // antialias glyph shapes
     char useSubpixelRendering; // use subpixel rendering (partially-filled pixels)
     char useSubpixelPositioning; // use subpixel positioning (fractional X positions for glyphs)
 };
 
 } // namespace blink
 
 #endif // FontRenderStyle_h