Add constructor to DashInfo to enable initializer lists

include/core/SkPathEffect.h

Index: include/core/SkPathEffect.h
diff --git a/include/core/SkPathEffect.h b/include/core/SkPathEffect.h
index 6d3ed856372ee8edb476ca933f957c463965e0fe..c891f6db220dd655cbd10874cc04c8eb9ede8341 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -118,6 +118,8 @@ public:
 
     struct DashInfo {
         DashInfo() : fIntervals(NULL), fCount(0), fPhase(0) {}
+        DashInfo(SkScalar* intervals, int32_t count, SkScalar phase)
+            : fIntervals(intervals), fCount(count), fPhase(phase) {}
 
         SkScalar*   fIntervals;         //!< Length of on/off intervals for dashed lines
                                         //   Even values represent ons, and odds offs