Cache delegate_->IsNested() in TaskQueueManager::DoWork

third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h

 // Copyright 2014 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.
 
 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_MANAGER_H_
 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_MANAGER_H_
 
 #include <map>
 
 #include "base/atomic_sequence_num.h"
@@ skipping 181 matching lines @@
     EXECUTED,
     TASK_QUEUE_MANAGER_DELETED
   };
 
   // Runs a single nestable task from the |queue|. On exit, |out_task| will
   // contain the task which was executed. Non-nestable task are reposted on the
   // run loop. The queue must not be empty.  On exit |time_after_task| may get
   // set (not guaranteed), sampling |real_time_domain()->Now()| immediately
   // after running the task.
   ProcessTaskResult ProcessTaskFromWorkQueue(internal::WorkQueue* work_queue,
+                                             bool is_nested,
                                              LazyNow time_before_task,
                                              base::TimeTicks* time_after_task);
 
   bool RunsTasksOnCurrentThread() const;
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
                                   const base::Closure& task,
                                   base::TimeDelta delay);
 
   internal::EnqueueOrder GetNextSequenceNumber();
 
@@ skipping 57 matching lines @@
   scoped_refptr<DeletionSentinel> deletion_sentinel_;
   base::WeakPtrFactory<TaskQueueManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskQueueManager);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_MANAGER_H_