Revert of SkThreadPool ~~> SkTaskGroup

tests/PathOpsQuadLineIntersectionThreadedTest.cpp

Index: tests/PathOpsQuadLineIntersectionThreadedTest.cpp
diff --git a/tests/PathOpsQuadLineIntersectionThreadedTest.cpp b/tests/PathOpsQuadLineIntersectionThreadedTest.cpp
index 7e33b7b374ce52d81d9b80f0f5b8b6875de8b381..fd7581fa5835c3724870d097ae39f9c3f2b711c8 100644
--- a/tests/PathOpsQuadLineIntersectionThreadedTest.cpp
+++ b/tests/PathOpsQuadLineIntersectionThreadedTest.cpp
@@ -111,8 +111,8 @@
 }
 
 DEF_TEST(PathOpsQuadLineIntersectionThreaded, reporter) {
-    initializeTests(reporter, "testQuadLineIntersect");
-    PathOpsThreadedTestRunner testRunner(reporter);
+    int threadCount = initializeTests(reporter, "testQuadLineIntersect");
+    PathOpsThreadedTestRunner testRunner(reporter, threadCount);
     for (int a = 0; a < 16; ++a) {
         for (int b = 0 ; b < 16; ++b) {
             for (int c = 0 ; c < 16; ++c) {