TaskScheduler: Set the IO allowed bit in TaskTracker::RunTask().

base/task_scheduler/task_scheduler_impl_unittest.cc

Index: base/task_scheduler/task_scheduler_impl_unittest.cc
diff --git a/base/task_scheduler/task_scheduler_impl_unittest.cc b/base/task_scheduler/task_scheduler_impl_unittest.cc
index 43f8d745bd2f5f6495afee1560c1be7f9491dfe1..300a439d2cf011bea649290178f018a8c20b3873 100644
--- a/base/task_scheduler/task_scheduler_impl_unittest.cc
+++ b/base/task_scheduler/task_scheduler_impl_unittest.cc
@@ -184,30 +184,26 @@ class TaskSchedulerImplTest
   TaskSchedulerImplTest() = default;
 
   void SetUp() override {
-    using IORestriction = SchedulerWorkerPoolParams::IORestriction;
     using StandbyThreadPolicy = SchedulerWorkerPoolParams::StandbyThreadPolicy;
 
     std::vector<SchedulerWorkerPoolParams> params_vector;
 
     ASSERT_EQ(BACKGROUND_WORKER_POOL, params_vector.size());
     params_vector.emplace_back("Background", ThreadPriority::BACKGROUND,
-                               IORestriction::DISALLOWED,
                                StandbyThreadPolicy::LAZY, 1U, TimeDelta::Max());
 
     ASSERT_EQ(BACKGROUND_FILE_IO_WORKER_POOL, params_vector.size());
     params_vector.emplace_back("BackgroundFileIO", ThreadPriority::BACKGROUND,
-                               IORestriction::ALLOWED,
                                StandbyThreadPolicy::LAZY, 3U, TimeDelta::Max());
 
     ASSERT_EQ(FOREGROUND_WORKER_POOL, params_vector.size());
     params_vector.emplace_back("Foreground", ThreadPriority::NORMAL,
-                               IORestriction::DISALLOWED,
                                StandbyThreadPolicy::LAZY, 4U, TimeDelta::Max());
 
     ASSERT_EQ(FOREGROUND_FILE_IO_WORKER_POOL, params_vector.size());
-    params_vector.emplace_back(
-        "ForegroundFileIO", ThreadPriority::NORMAL, IORestriction::ALLOWED,
-        StandbyThreadPolicy::LAZY, 12U, TimeDelta::Max());
+    params_vector.emplace_back("ForegroundFileIO", ThreadPriority::NORMAL,
+                               StandbyThreadPolicy::LAZY, 12U,
+                               TimeDelta::Max());
 
     scheduler_ = TaskSchedulerImpl::Create(params_vector,
                                            Bind(&GetThreadPoolIndexForTraits));