Add onGetFamilyName to SkTypeface.

src/ports/SkFontMgr_android.cpp

Index: src/ports/SkFontMgr_android.cpp
diff --git a/src/ports/SkFontMgr_android.cpp b/src/ports/SkFontMgr_android.cpp
index bcf544cd43ff184a361535d6691b8bd3f4501bfb..2fee7356f1ea08c0f26cfe3c4f903d545898d804 100644
--- a/src/ports/SkFontMgr_android.cpp
+++ b/src/ports/SkFontMgr_android.cpp
@@ -49,9 +49,11 @@ public:
         , fIndex(index)
         , fFamilyName(familyName) { }
 
-    const SkString& name() const { return fFamilyName; }
-
 protected:
+    virtual void onGetFamilyName(SkString* familyName) const SK_OVERRIDE {
+        *familyName = fFamilyName;
+    }
+
     int fIndex;
     SkString fFamilyName;