Move code that sets up the environment to run a task to TaskTracker::PerformRunTask().

base/task_scheduler/task_tracker_posix.cc

Index: base/task_scheduler/task_tracker_posix.cc
diff --git a/base/task_scheduler/task_tracker_posix.cc b/base/task_scheduler/task_tracker_posix.cc
index 42496803515274fa37d053b15bd9087d84242c18..b1c1b928ffca326f0d427b33b30c1d03d4301fdf 100644
--- a/base/task_scheduler/task_tracker_posix.cc
+++ b/base/task_scheduler/task_tracker_posix.cc
@@ -14,11 +14,12 @@ namespace internal {
 TaskTrackerPosix::TaskTrackerPosix() = default;
 TaskTrackerPosix::~TaskTrackerPosix() = default;
 
-void TaskTrackerPosix::PerformRunTask(std::unique_ptr<Task> task) {
+void TaskTrackerPosix::PerformRunTask(std::unique_ptr<Task> task,
+                                      const SequenceToken& sequence_token) {
   DCHECK(watch_file_descriptor_message_loop_);
   FileDescriptorWatcher file_descriptor_watcher(
       watch_file_descriptor_message_loop_);
-  TaskTracker::PerformRunTask(std::move(task));
+  TaskTracker::PerformRunTask(std::move(task), sequence_token);
 }
 
 #if DCHECK_IS_ON()