Do not inherit TaskPriority in TaskTraits.

base/task_scheduler/task_traits.cc

Index: base/task_scheduler/task_traits.cc
diff --git a/base/task_scheduler/task_traits.cc b/base/task_scheduler/task_traits.cc
index 6acf3244f59e475c51ee21a1741ba94259fbfdf3..4ebc64695c407772053ba0fbe7d61ffd77d435ce 100644
--- a/base/task_scheduler/task_traits.cc
+++ b/base/task_scheduler/task_traits.cc
@@ -9,7 +9,6 @@
 #include <ostream>
 
 #include "base/logging.h"
-#include "base/task_scheduler/scoped_set_task_priority_for_current_thread.h"
 
 namespace base {
 
@@ -19,7 +18,7 @@ namespace base {
 TaskTraits::TaskTraits()
     : may_block_(false),
       with_base_sync_primitives_(false),
-      priority_(internal::GetTaskPriorityForCurrentThread()),
+      priority_(TaskPriority::INHERITED),
       shutdown_behavior_(TaskShutdownBehavior::SKIP_ON_SHUTDOWN) {}
 
 TaskTraits::~TaskTraits() = default;
@@ -53,6 +52,8 @@ const char* TaskPriorityToString(TaskPriority task_priority) {
       return "USER_VISIBLE";
     case TaskPriority::USER_BLOCKING:
       return "USER_BLOCKING";
+    case TaskPriority::INHERITED:
+      return "INHERITED";
   }
   NOTREACHED();
   return "";