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

base/debug/activity_tracker.cc

 // Copyright 2016 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.
 
 #include "base/debug/activity_tracker.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 
@@ skipping 1445 matching lines @@
 
   // Use the current time to differentiate the process that just exited
   // from any that might be created in the future with the same ID.
   int64_t now_stamp = Time::Now().ToInternalValue();
 
   // The persistent allocator is thread-safe so run the iteration and
   // adjustments on a worker thread if one was provided.
   if (task_runner && !task_runner->RunsTasksOnCurrentThread()) {
     task_runner->PostTask(
         FROM_HERE,
-        Bind(&GlobalActivityTracker::CleanupAfterProcess, Unretained(this), pid,
-             now_stamp, exit_code, Passed(&command_line)));
+        BindOnce(&GlobalActivityTracker::CleanupAfterProcess, Unretained(this),
+                 pid, now_stamp, exit_code, Passed(&command_line)));
     return;
   }
 
   CleanupAfterProcess(pid, now_stamp, exit_code, std::move(command_line));
 }
 
 void GlobalActivityTracker::SetProcessPhase(ProcessPhase phase) {
   process_data().SetInt(kProcessPhaseDataKey, phase);
 }
 
@@ skipping 305 matching lines @@
     : GlobalActivityTracker::ScopedThreadActivity(
           program_counter,
           nullptr,
           Activity::ACT_PROCESS_WAIT,
           ActivityData::ForProcess(process->Pid()),
           /*lock_allowed=*/true) {}
 #endif
 
 }  // namespace debug
 }  // namespace base