Fix issues related to resolving fonts based on name.

include/core/SkTypeface.h

Index: include/core/SkTypeface.h
diff --git a/include/core/SkTypeface.h b/include/core/SkTypeface.h
index a314e0fffb61dd8babfa73d1227027dccd327ec1..d34854d329fa6ab33c686c6b5de480fee5483511 100644
--- a/include/core/SkTypeface.h
+++ b/include/core/SkTypeface.h
@@ -85,7 +85,7 @@ public:
      *  Returns a ref() to the default typeface. The caller must call unref()
      *  when they are done referencing the object. Never returns NULL.
      */
-    static SkTypeface* RefDefault();
+    static SkTypeface* RefDefault(Style style = SkTypeface::kNormal);
 
     /** Return a new reference to the typeface that most closely matches the
         requested familyName and style. Pass null as the familyName to return
@@ -222,7 +222,7 @@ protected:
     void setIsFixedPitch(bool isFixedPitch) { fIsFixedPitch = isFixedPitch; }
 
     friend class SkScalerContext;
-    static SkTypeface* GetDefaultTypeface();
+    static SkTypeface* GetDefaultTypeface(Style style = SkTypeface::kNormal);
 
     virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const = 0;
     virtual void onFilterRec(SkScalerContextRec*) const = 0;