Serialize the font index.

src/core/SkFontDescriptor.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkFontDescriptor_DEFINED
 #define SkFontDescriptor_DEFINED
 
@@ skipping 10 matching lines @@
 
     void serialize(SkWStream*);
 
     SkTypeface::Style getStyle() { return fStyle; }
     void setStyle(SkTypeface::Style style) { fStyle = style; }
 
     const char* getFamilyName() { return fFamilyName.c_str(); }
     const char* getFullName() { return fFullName.c_str(); }
     const char* getPostscriptName() { return fPostscriptName.c_str(); }
     const char* getFontFileName() { return fFontFileName.c_str(); }
+    int getFontFileIndex() { return fFontFileIndex; }
 
     void setFamilyName(const char* name) { fFamilyName.set(name); }
     void setFullName(const char* name) { fFullName.set(name); }
     void setPostscriptName(const char* name) { fPostscriptName.set(name); }
     void setFontFileName(const char* name) { fFontFileName.set(name); }
+    void setFontFileIndex(int index) { fFontFileIndex = index; }
 
 private:
     SkString fFamilyName;
     SkString fFullName;
     SkString fPostscriptName;
     SkString fFontFileName;
+    int fFontFileIndex;
 
     SkTypeface::Style fStyle;
 };
 
 #endif // SkFontDescriptor_DEFINED