Remove methods associated with the builder pattern from TaskTraits.

base/task_scheduler/task_traits.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/task_scheduler/task_traits.h"
 
 #include <stddef.h>
 
 #include <ostream>
 
 #include "base/logging.h"
 
 namespace base {
 
-TaskTraits& TaskTraits::MayBlock() {
-  may_block_ = true;
-  return *this;
-}
-
-TaskTraits& TaskTraits::WithBaseSyncPrimitives() {
-  with_base_sync_primitives_ = true;
-  return *this;
-}
-
-TaskTraits& TaskTraits::WithPriority(TaskPriority priority) {
-  priority_set_explicitly_ = true;
-  priority_ = priority;
-  return *this;
-}
-
-TaskTraits& TaskTraits::WithShutdownBehavior(
-    TaskShutdownBehavior shutdown_behavior) {
-  shutdown_behavior_ = shutdown_behavior;
-  return *this;
-}
-
 const char* TaskPriorityToString(TaskPriority task_priority) {
   switch (task_priority) {
     case TaskPriority::BACKGROUND:
       return "BACKGROUND";
     case TaskPriority::USER_VISIBLE:
       return "USER_VISIBLE";
     case TaskPriority::USER_BLOCKING:
       return "USER_BLOCKING";
   }
   NOTREACHED();
@@ skipping 19 matching lines @@
   return os;
 }
 
 std::ostream& operator<<(std::ostream& os,
                          const TaskShutdownBehavior& shutdown_behavior) {
   os << TaskShutdownBehaviorToString(shutdown_behavior);
   return os;
 }
 
 }  // namespace base