[SyncFS] Drop default priority version of SyncTaskManager::ScheduleTask

chrome/browser/sync_file_system/sync_task_manager.h

 // Copyright 2013 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_TASK_MANAGER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_TASK_MANAGER_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 38 matching lines @@
   };
 
   explicit SyncTaskManager(base::WeakPtr<Client> client);
   virtual ~SyncTaskManager();
 
   // This needs to be called to start task scheduling.
   // If |status| is not SYNC_STATUS_OK calling this may change the
   // service status. This should not be called more than once.
   void Initialize(SyncStatusCode status);
 
-  // Schedules a task at PRIORITY_MED.
+  // Schedules a task at the given priority.
   void ScheduleTask(const tracked_objects::Location& from_here,
                     const Task& task,
+                    Priority priority,
                     const SyncStatusCallback& callback);
   void ScheduleSyncTask(const tracked_objects::Location& from_here,
                         scoped_ptr<SyncTask> task,
+                        Priority priority,
                         const SyncStatusCallback& callback);
 
-  // Schedules a task at the given priority.
-  void ScheduleTaskAtPriority(const tracked_objects::Location& from_here,
-                              const Task& task,
-                              Priority priority,
-                              const SyncStatusCallback& callback);
-  void ScheduleSyncTaskAtPriority(const tracked_objects::Location& from_here,
-                                  scoped_ptr<SyncTask> task,
-                                  Priority priority,
-                                  const SyncStatusCallback& callback);
-
   // Runs the posted task only when we're idle.  Returns true if tha task is
   // scheduled.
   bool ScheduleTaskIfIdle(const tracked_objects::Location& from_here,
                           const Task& task,
                           const SyncStatusCallback& callback);
   bool ScheduleSyncTaskIfIdle(const tracked_objects::Location& from_here,
                               scoped_ptr<SyncTask> task,
                               const SyncStatusCallback& callback);
 
   void NotifyTaskDone(scoped_ptr<TaskToken> token,
@@ skipping 42 matching lines @@
   // until it finished. And the task must return the instance through
   // NotifyTaskDone when the task finished.
   scoped_ptr<TaskToken> token_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncTaskManager);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_TASK_MANAGER_H_