allow tests to optionally use multiple threads

tests/PathOpsExtendedTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "PathOpsExtendedTest.h"
 #include "PathOpsThreadedCommon.h"
 #include "SkBitmap.h"
@@ skipping 25 matching lines @@
     "i",
     "u",
     "o",
 };
 
 static bool gShowPath = false;
 static bool gComparePaths = true;
 static bool gComparePathsAssert = true;
 static bool gPathStrAssert = true;
 
-#if FORCE_RELEASE
-static bool gRunTestsInOneThread = true;
-#else
-static bool gRunTestsInOneThread = true;
-#endif
-
 static void showPathContour(SkPath::Iter& iter) {
     uint8_t verb;
     SkPoint pts[4];
     while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
         switch (verb) {
             case SkPath::kMove_Verb:
                 SkDebugf("path.moveTo(%1.9g,%1.9g);\n", pts[0].fX, pts[0].fY);
                 continue;
             case SkPath::kLine_Verb:
                 SkDebugf("path.lineTo(%1.9g,%1.9g);\n", pts[1].fX, pts[1].fY);
@@ skipping 453 matching lines @@
     if (result && gPathStrAssert) {
         REPORTER_ASSERT(reporter, 0);
     }
     reporter->bumpTestCount();
     return result == 0;
 }
 
 const int maxThreadsAllocated = 64;
 static int maxThreads = 1;
 
-int initializeTests(const char* test) {
+int initializeTests(skiatest::Reporter* reporter, const char* test) {
 #ifdef SK_DEBUG
     gDebugMaxWindSum = 4;
     gDebugMaxWindValue = 4;
 #endif
     testName = test;
     size_t testNameSize = strlen(test);
-    if (!gRunTestsInOneThread) {
+    if (reporter->allowThreaded()) {
         int threads = -1;
 #ifdef SK_BUILD_FOR_MAC
         size_t size = sizeof(threads);
         sysctlbyname("hw.logicalcpu_max", &threads, &size, NULL, 0);
 #endif
         if (threads > 0) {
             maxThreads = threads;
         } else {
             maxThreads = 16;
         }
@@ skipping 62 matching lines @@
         }
         if (tests[index].fun == stopTest) {
             SkDebugf("lastTest\n");
         }
         if (index == last) {
             break;
         }
         index += reverse ? -1 : 1;
     } while (true);
 }