Linux: fix fake italics for font's without italic variants.

skia/ext/SkFontHost_fontconfig_impl.h

 /* libs/graphics/ports/SkFontHost_fontconfig_impl.h
 **
 ** Copyright 2009, Google Inc.
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
@@ skipping 21 matching lines @@
 
     /** Performs config match
      *
      *  @param result_family (output) on success, the resulting family name.
      *  @param result_fileid (output) on success, the resulting file id.
      *  @param fileid_valid if true, then |fileid| is valid
      *  @param fileid the fileid (as returned by this function) which we are
      *    trying to match.
      *  @param family (optional) the family of the font that we are trying to
      *    match.
-     *  @param is_bold (optional, set to -1 to ignore)
-     *  @param is_italic (optional, set to -1 to ignore)
+     *  @param is_bold (optional, set to NULL to ignore, in/out)
+     *  @param is_italic (optional, set to NULL to ignore, in/out)
      *  @return true iff successful.
      */
     virtual bool Match(
           std::string* result_family,
           unsigned* result_fileid,
           bool fileid_valid,
           unsigned fileid,
           const std::string& family,
-          int is_bold,
-          int is_italic) = 0;
+          bool* is_bold,
+          bool* is_italic) = 0;
 
     /** Open a font file given the fileid as returned by Match
      */
     virtual int Open(unsigned fileid) = 0;
 };
 
 #endif  // FontConfigInterface_DEFINED