Rewrite base::Bind into base::BindOnce on trivial cases in base

base/threading/post_task_and_reply_impl.cc

Index: base/threading/post_task_and_reply_impl.cc
diff --git a/base/threading/post_task_and_reply_impl.cc b/base/threading/post_task_and_reply_impl.cc
index cddb8981adfdbe406978efd7253388d2e675e8ed..1aaa1e7dda6f06a76b8b1171cce205e3a42d403a 100644
--- a/base/threading/post_task_and_reply_impl.cc
+++ b/base/threading/post_task_and_reply_impl.cc
@@ -44,8 +44,8 @@ class PostTaskAndReplyRelay {
   void RunTaskAndPostReply() {
     std::move(task_).Run();
     origin_task_runner_->PostTask(
-        from_here_, Bind(&PostTaskAndReplyRelay::RunReplyAndSelfDestruct,
-                         base::Unretained(this)));
+        from_here_, BindOnce(&PostTaskAndReplyRelay::RunReplyAndSelfDestruct,
+                             base::Unretained(this)));
   }
 
  private:
@@ -88,8 +88,8 @@ bool PostTaskAndReplyImpl::PostTaskAndReply(
   // to avoid having to suppress every callsite which happens to flakily trigger
   // this race.
   ANNOTATE_LEAKING_OBJECT_PTR(relay);
-  if (!PostTask(from_here, Bind(&PostTaskAndReplyRelay::RunTaskAndPostReply,
-                                Unretained(relay)))) {
+  if (!PostTask(from_here, BindOnce(&PostTaskAndReplyRelay::RunTaskAndPostReply,
+                                    Unretained(relay)))) {
     delete relay;
     return false;
   }