TaskScheduler: Bump thread priority during shutdown.

base/task_scheduler/task_tracker_unittest.cc

Index: base/task_scheduler/task_tracker_unittest.cc
diff --git a/base/task_scheduler/task_tracker_unittest.cc b/base/task_scheduler/task_tracker_unittest.cc
index 58f47b8153458816889e15c31961b0e5aa9732cd..0866354a6cf1c1098f6d89993dedd5159090fa70 100644
--- a/base/task_scheduler/task_tracker_unittest.cc
+++ b/base/task_scheduler/task_tracker_unittest.cc
@@ -132,8 +132,7 @@ class TaskSchedulerTaskTrackerTest
     ASSERT_FALSE(thread_calling_shutdown_);
     thread_calling_shutdown_.reset(new ThreadCallingShutdown(&tracker_));
     thread_calling_shutdown_->Start();
-    while (!tracker_.IsShuttingDownForTesting() &&
-           !tracker_.IsShutdownComplete()) {
+    while (!tracker_.IsShutdownInProgress() && !tracker_.IsShutdownComplete()) {
       PlatformThread::YieldCurrentThread();
     }
   }
@@ -149,7 +148,7 @@ class TaskSchedulerTaskTrackerTest
     ASSERT_TRUE(thread_calling_shutdown_);
     EXPECT_FALSE(thread_calling_shutdown_->has_returned());
     EXPECT_FALSE(tracker_.IsShutdownComplete());
-    EXPECT_TRUE(tracker_.IsShuttingDownForTesting());
+    EXPECT_TRUE(tracker_.IsShutdownInProgress());
   }
 
   size_t NumTasksExecuted() {