Move threadpool code from include/utils to tools/threadpool.

tests/SkpSkGrTest.cpp

Index: tests/SkpSkGrTest.cpp
diff --git a/tests/SkpSkGrTest.cpp b/tests/SkpSkGrTest.cpp
index c1883a989033f783dc40851bfd7ad0c2e9b9e804..775a30f28480394ccf2ca2b90f4e667ffbb76725 100644
--- a/tests/SkpSkGrTest.cpp
+++ b/tests/SkpSkGrTest.cpp
@@ -18,12 +18,12 @@
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkRTConf.h"
-#include "SkRunnable.h"
+#include "Runnable.h"
 #include "SkStream.h"
 #include "SkString.h"
 #include "SkTArray.h"
 #include "SkTDArray.h"
-#include "SkThreadPool.h"
+#include "ThreadPool.h"
 #include "SkTime.h"
 #include "Test.h"
 
@@ -137,7 +137,7 @@ struct SkpSkGrThreadedTestRunner {
     skiatest::Reporter* fReporter;
 };
 
-class SkpSkGrThreadedRunnable : public SkRunnable {
+class SkpSkGrThreadedRunnable : public Runnable {
 public:
     SkpSkGrThreadedRunnable(void (*testFun)(SkpSkGrThreadState*), int dirNo, const char* str,
             SkpSkGrThreadedTestRunner* runner) {
@@ -164,7 +164,7 @@ SkpSkGrThreadedTestRunner::~SkpSkGrThreadedTestRunner() {
 }
 
 void SkpSkGrThreadedTestRunner::render() {
-    SkThreadPool pool(fNumThreads);
+    ThreadPool pool(fNumThreads);
     for (int index = 0; index < fRunnables.count(); ++ index) {
         pool.add(fRunnables[index]);
     }