Clean up usage of mask gamma.
https://codereview.appspot.com/6749061/


git-svn-id: http://skia.googlecode.com/svn/trunk@6151 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/ports/SkFontHost_FreeType_common.h b/src/ports/SkFontHost_FreeType_common.h
index d5f2c08..01100de 100644
--- a/src/ports/SkFontHost_FreeType_common.h
+++ b/src/ports/SkFontHost_FreeType_common.h
@@ -36,7 +36,7 @@
     {}
 
 protected:
-    void generateGlyphImage(FT_Face face, const SkGlyph& glyph, SkMaskGamma::PreBlend* maskPreBlend);
+    void generateGlyphImage(FT_Face face, const SkGlyph& glyph);
     void generateGlyphPath(FT_Face face, const SkGlyph& glyph, SkPath* path);
     void emboldenOutline(FT_Face face, FT_Outline* outline);
 };