Remove BrowserThread::PostBlockingPoolTask(AndReply).

content/public/browser/browser_thread.h

Index: content/public/browser/browser_thread.h
diff --git a/content/public/browser/browser_thread.h b/content/public/browser/browser_thread.h
index 8422091d3024087800f8365e034083b05cc3a6f0..104e374eb319e3c58ca9cff688ea8a7b8f6b9c12 100644
--- a/content/public/browser/browser_thread.h
+++ b/content/public/browser/browser_thread.h
@@ -182,26 +182,15 @@ class CONTENT_EXPORT BrowserThread {
     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),
@@ -209,16 +198,6 @@ class CONTENT_EXPORT BrowserThread {
   // 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,