Remove BrowserThread::PostBlockingPoolTask(AndReply).

content/public/browser/browser_thread.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 
 #include <string>
 #include <utility>
 
@@ skipping 164 matching lines @@
     return GetTaskRunnerForThread(identifier)->DeleteSoon(from_here, object);
   }
 
   template <class T>
   static bool ReleaseSoon(ID identifier,
                           const tracked_objects::Location& from_here,
                           const T* object) {
     return GetTaskRunnerForThread(identifier)->ReleaseSoon(from_here, object);
   }
 
-  // Simplified wrappers for posting to the blocking thread pool. Use this
-  // for doing things like blocking I/O.
-  //
   // DEPRECATED: use base/task_scheduler/post_task.h instead.
-  //   * BrowserThread::PostBlockingPoolTask(AndReply)(...) =>
-  //         base::PostTaskWithTraits(AndReply)(
-  //             FROM_HERE, base::TaskTraits().MayBlock()...)
   //   * BrowserThread::PostBlockingPoolSequencedTask =>
   //         Share a single SequencedTaskRunner created via
   //         base::CreateSequencedTaskRunnerWithTraits() instead of sharing a
   //         SequenceToken (ping base/task_scheduler/OWNERS if you find a use
   //         case where that's not possible).
   //
-  // The first variant will run the task in the pool with no sequencing
-  // semantics, so may get run in parallel with other posted tasks. The second
-  // variant will all post a task with no sequencing semantics, and will post a
-  // reply task to the origin TaskRunner upon completion.  The third variant
-  // provides sequencing between tasks with the same sequence token name.
-  //
-  // These tasks are guaranteed to run before shutdown.
+  // Posts a task to the blocking pool. The task is guaranteed to run before
+  // shutdown. Tasks posted with the same sequence token name are sequenced.
   //
   // If you need to provide different shutdown semantics (like you have
   // something slow and noncritical that doesn't need to block shutdown),
   // or you want to manually provide a sequence token (which saves a map
   // lookup and is guaranteed unique without you having to come up with a
   // unique string), you can access the sequenced worker pool directly via
   // GetBlockingPool().
-  //
-  // If you need to PostTaskAndReplyWithResult, use
-  // base::PostTaskAndReplyWithResult() with GetBlockingPool() as the task
-  // runner.
-  static bool PostBlockingPoolTask(const tracked_objects::Location& from_here,
-                                   base::OnceClosure task);
-  static bool PostBlockingPoolTaskAndReply(
-      const tracked_objects::Location& from_here,
-      base::OnceClosure task,
-      base::OnceClosure reply);
   static bool PostBlockingPoolSequencedTask(
       const std::string& sequence_token_name,
       const tracked_objects::Location& from_here,
       base::OnceClosure task);
 
   // For use with scheduling non-critical tasks for execution after startup.
   // The order or execution of tasks posted here is unspecified even when
   // posting to a SequencedTaskRunner and tasks are not guaranteed to be run
   // prior to browser shutdown.
   // When called after the browser startup is complete, will post |task|
@@ skipping 108 matching lines @@
  private:
   friend class BrowserThreadImpl;
 
   BrowserThread() {}
   DISALLOW_COPY_AND_ASSIGN(BrowserThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_