convert pathops to use SkSTArray where possible.

src/pathops/SkPathOpsOp.cpp

Index: src/pathops/SkPathOpsOp.cpp
diff --git a/src/pathops/SkPathOpsOp.cpp b/src/pathops/SkPathOpsOp.cpp
index f030765a614d517fa3a33124165288fdae90a3ba..7e1c7728933e04e37cfcdcc56807037beb98b32a 100644
--- a/src/pathops/SkPathOpsOp.cpp
+++ b/src/pathops/SkPathOpsOp.cpp
@@ -20,7 +20,7 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpan*>& chase, int& nextStart, int
         const SkOpSpan& backPtr = span->fOther->span(span->fOtherIndex);
         SkOpSegment* segment = backPtr.fOther;
         nextStart = backPtr.fOtherIndex;
-        SkTDArray<SkOpAngle> angles;
+        SkSTArray<SkOpAngle::kStackBasedCount, SkOpAngle, true> angles;
         int done = 0;
         if (segment->activeAngle(nextStart, &done, &angles)) {
             SkOpAngle* last = angles.end() - 1;
@@ -36,7 +36,7 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpan*>& chase, int& nextStart, int
         if (done == angles.count()) {
             continue;
         }
-        SkTDArray<SkOpAngle*> sorted;
+        SkSTArray<SkOpAngle::kStackBasedCount, SkOpAngle*, true> sorted;
         bool sortable = SkOpSegment::SortAngles(angles, &sorted,
                 SkOpSegment::kMayBeUnordered_SortAngleKind);
         int angleCount = sorted.count();
@@ -126,7 +126,7 @@ static bool windingIsActive(int winding, int oppWinding, int spanWinding, int op
 }
 */
 
-static bool bridgeOp(SkTDArray<SkOpContour*>& contourList, const SkPathOp op,
+static bool bridgeOp(SkTArray<SkOpContour*, true>& contourList, const SkPathOp op,
         const int xorMask, const int xorOpMask, SkPathWriter* simple) {
     bool firstContour = true;
     bool unsortable = false;
@@ -263,7 +263,7 @@ bool Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result) {
     result->reset();
     result->setFillType(fillType);
     const int xorOpMask = builder.xorMask();
-    SkTDArray<SkOpContour*> contourList;
+    SkTArray<SkOpContour*, true> contourList;
     MakeContourList(contours, contourList, xorMask == kEvenOdd_PathOpsMask,
             xorOpMask == kEvenOdd_PathOpsMask);
     SkOpContour** currentPtr = contourList.begin();