Revert of SkThreadPool ~~> SkTaskGroup

tests/PathOpsOpLoopThreadedTest.cpp

Index: tests/PathOpsOpLoopThreadedTest.cpp
diff --git a/tests/PathOpsOpLoopThreadedTest.cpp b/tests/PathOpsOpLoopThreadedTest.cpp
index 3f316d1fe92abb844bcfc37599aaa98e4f10d376..71efff3edc3a111fcc1e6cc2b569f50c64bc2f9f 100755
--- a/tests/PathOpsOpLoopThreadedTest.cpp
+++ b/tests/PathOpsOpLoopThreadedTest.cpp
@@ -62,8 +62,8 @@
 }
 
 DEF_TEST(PathOpsOpLoopsThreaded, reporter) {
-    initializeTests(reporter, "cubicOp");
-    PathOpsThreadedTestRunner testRunner(reporter);
+    int threadCount = initializeTests(reporter, "cubicOp");
+    PathOpsThreadedTestRunner testRunner(reporter, threadCount);
     for (int a = 0; a < 6; ++a) {  // outermost
         for (int b = a + 1; b < 7; ++b) {
             for (int c = 0 ; c < 6; ++c) {
@@ -81,7 +81,7 @@
 }
 
 DEF_TEST(PathOpsOpLoops, reporter) {
-    initializeTests(reporter, "cubicOp");
+    (void) initializeTests(reporter, "cubicOp");
     PathOpsThreadState state;
     state.fReporter = reporter;
     SkBitmap bitmap;