limit the number of points in SkDashPathEffect::asPoints

src/utils/SkDashPath.cpp

Index: src/utils/SkDashPath.cpp
diff --git a/src/utils/SkDashPath.cpp b/src/utils/SkDashPath.cpp
index 8317d20f3725fb2d0d7937f4923d5b992707c20b..e06c2d2da355bbb80ee30a98448b697b08a18647 100644
--- a/src/utils/SkDashPath.cpp
+++ b/src/utils/SkDashPath.cpp
@@ -176,6 +176,7 @@ public:
         SkScalar ptCount = SkScalarMulDiv(pathLength,
                                           SkIntToScalar(intervalCount),
                                           intervalLength);
+        ptCount = SkTMin(ptCount, SkDashPath::kMaxDashCount);

[caryclark, 2016/07/21 12:22:59]

Don't need the SkDashPath:: prefix here

         int n = SkScalarCeilToInt(ptCount) << 2;
         dst->incReserve(n);
 
@@ -255,7 +256,6 @@ bool SkDashPath::InternalFilter(SkPath* dst, const SkPath& src, SkStrokeRec* rec
         // 90 million dash segments and crashing the memory allocator. A limit of 1 million
         // segments seems reasonable: at 2 verbs per segment * 9 bytes per verb, this caps the
         // maximum dash memory overhead at roughly 17MB per path.
-        static const SkScalar kMaxDashCount = 1000000;
         dashCount += length * (count >> 1) / intervalLength;
         if (dashCount > kMaxDashCount) {
             dst->reset();