remove unused SkFixed and SkFract functions

experimental/Intersection/SkAntiEdge.cpp

Index: experimental/Intersection/SkAntiEdge.cpp
diff --git a/experimental/Intersection/SkAntiEdge.cpp b/experimental/Intersection/SkAntiEdge.cpp
index 0aa159c53e3b2822135bc881a31c8e01123c2fe5..2cce960e52dd4f613666aa685e6fb0200799516b 100644
--- a/experimental/Intersection/SkAntiEdge.cpp
+++ b/experimental/Intersection/SkAntiEdge.cpp
@@ -7,6 +7,14 @@
 #include "SkAntiEdge.h"
 #include "SkPoint.h"
 
+/** Returns the signed fraction of a SkFixed
+ */
+static inline SkFixed SkFixedFraction(SkFixed x)
+{
+    SkFixed mask = x >> 31 << 16;
+    return (x & 0xFFFF) | mask;
+}

[caryclark, 2013/12/19 13:56:57]

alternatives -- 

- let experimental/Intersection bit rot
- remove experimental/Intersection altogether

+
 void SkAntiEdge::pointOnLine(SkFixed x, SkFixed y) {
     float x0 = SkFixedToFloat(x);
     float y0 = SkFixedToFloat(y);