remove unused SkFixed and SkFract functions

src/core/SkFloat.h

Index: src/core/SkFloat.h
diff --git a/src/core/SkFloat.h b/src/core/SkFloat.h
index 74cd19e542fae88a412c0b91583e8c2a7c08d17a..0d4f9b41a7441ee220417c4b2fca8b9d10563de1 100644
--- a/src/core/SkFloat.h
+++ b/src/core/SkFloat.h
@@ -20,12 +20,10 @@ public:
 //  void    setShift(int value, int shift) { fPacked = SetShift(value, shift); }
     void    setInt(int value) { fPacked = SetShift(value, 0); }
     void    setFixed(SkFixed value) { fPacked = SetShift(value, -16); }
-    void    setFract(SkFract value) { fPacked = SetShift(value, -30); }
 
 //  int     getShift(int shift) const { return GetShift(fPacked, shift); }
     int     getInt() const { return GetShift(fPacked, 0); }
     SkFixed getFixed() const { return GetShift(fPacked, -16); }
-    SkFract getFract() const { return GetShift(fPacked, -30); }
 
     void    abs() { fPacked = Abs(fPacked); }
     void    negate() { fPacked = Neg(fPacked); }