Revert of SkThreadPool ~~> SkTaskGroup

tests/PathOpsThreadedCommon.h

Index: tests/PathOpsThreadedCommon.h
diff --git a/tests/PathOpsThreadedCommon.h b/tests/PathOpsThreadedCommon.h
index 124921e3892d369fdb210a55f158129f39fc7fd1..a638cd2fdf593ae839ac09af324b6c0bb9dda121 100644
--- a/tests/PathOpsThreadedCommon.h
+++ b/tests/PathOpsThreadedCommon.h
@@ -33,13 +33,17 @@
 
 class PathOpsThreadedTestRunner {
 public:
-    PathOpsThreadedTestRunner(skiatest::Reporter* reporter) : fReporter(reporter) {}
+    PathOpsThreadedTestRunner(skiatest::Reporter* reporter, int threadCount)
+        : fNumThreads(threadCount)
+        , fReporter(reporter) {
+    }
 
     ~PathOpsThreadedTestRunner();
 
     void render();
 
 public:
+    int fNumThreads;
     SkTDArray<PathOpsThreadedRunnable*> fRunnables;
     skiatest::Reporter* fReporter;
 };