Add onGetFamilyName to SkTypeface.

src/ports/SkFontHost_linux.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontHost.h"
 #include "SkFontHost_FreeType_common.h"
 #include "SkFontDescriptor.h"
@@ skipping 22 matching lines @@
     SkTypeface_Custom(Style style, bool isFixedPitch, bool sysFont, const SkString familyName)
         : INHERITED(style, SkTypefaceCache::NewFontID(), isFixedPitch)
         , fIsSysFont(sysFont), fFamilyName(familyName)
     { }
 
     bool isSysFont() const { return fIsSysFont; }
 
     virtual const char* getUniqueString() const = 0;
 
 protected:
+    virtual void onGetFamilyName(SkString* familyName) const SK_OVERRIDE {
+        *familyName = fFamilyName;
+    }
+
     virtual void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const SK_OVERRIDE {
         desc->setFamilyName(fFamilyName.c_str());
         desc->setFontFileName(this->getUniqueString());
         *isLocal = !this->isSysFont();
     }
 
 private:
     bool fIsSysFont;
     SkString fFamilyName;
 
@@ skipping 344 matching lines @@
     }
 
     SkTArray<SkAutoTUnref<SkFontStyleSet_Custom>, true> fFamilies;
     SkFontStyleSet_Custom* gDefaultFamily;
     SkTypeface* gDefaultNormal;
 };
 
 SkFontMgr* SkFontMgr::Factory() {
     return new SkFontMgr_Custom(SK_FONT_FILE_PREFIX);
 }