Replace base::Callback with base::OnceCallback in base::PendingTask

base/BUILD.gn

 # Copyright (c) 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 217 matching lines @@
     "barrier_closure.cc",
     "barrier_closure.h",
     "base64.cc",
     "base64.h",
     "base64url.cc",
     "base64url.h",
     "base_export.h",
     "base_switches.h",
     "big_endian.cc",
     "big_endian.h",
+    "bind.cc",
     "bind.h",
     "bind_helpers.cc",
     "bind_helpers.h",
     "bind_internal.h",
     "bit_cast.h",
     "bits.h",
     "build_time.cc",
     "build_time.h",
     "callback.h",
     "callback_helpers.cc",
@@ skipping 2206 matching lines @@
     testonly = true
     deps = [
       ":base_java",
     ]
     java_files = [
       "test/android/java/src/org/chromium/base/ContentUriTestUtils.java",
       "test/android/java/src/org/chromium/base/TestSystemMessageHandler.java",
     ]
   }
 }