Revert of SkThreadPool ~~> SkTaskGroup

tests/PathOpsTightBoundsTest.cpp

Index: tests/PathOpsTightBoundsTest.cpp
diff --git a/tests/PathOpsTightBoundsTest.cpp b/tests/PathOpsTightBoundsTest.cpp
index cea37520b1cfe06c15635b8378d7134f3578cc14..09f962296faa2488f87cdb7b9a8ee37a9c5dfbc9 100644
--- a/tests/PathOpsTightBoundsTest.cpp
+++ b/tests/PathOpsTightBoundsTest.cpp
@@ -35,8 +35,8 @@
 }
 
 DEF_TEST(PathOpsTightBoundsLines, reporter) {
-    initializeTests(reporter, "tightBoundsLines");
-    PathOpsThreadedTestRunner testRunner(reporter);
+    int threadCount = initializeTests(reporter, "tightBoundsLines");
+    PathOpsThreadedTestRunner testRunner(reporter, threadCount);
     int outerCount = reporter->allowExtendedTest() ? 100 : 1;
     for (int index = 0; index < outerCount; ++index) {
         for (int idx2 = 0; idx2 < 10; ++idx2) {
@@ -110,8 +110,8 @@
 }
 
 DEF_TEST(PathOpsTightBoundsQuads, reporter) {
-    initializeTests(reporter, "tightBoundsQuads");
-    PathOpsThreadedTestRunner testRunner(reporter);
+    int threadCount = initializeTests(reporter, "tightBoundsQuads");
+    PathOpsThreadedTestRunner testRunner(reporter, threadCount);
     int outerCount = reporter->allowExtendedTest() ? 100 : 1;
     for (int index = 0; index < outerCount; ++index) {
         for (int idx2 = 0; idx2 < 10; ++idx2) {