1 files changed, 5 insertions, 9 deletions
diff --git a/base/files/important_file_writer.cc b/base/files/important_file_writer.cc
index 2a9ef4f932..bb0c1a2a98 100644
--- a/base/files/important_file_writer.cc
+++ b/base/files/important_file_writer.cc
@@ -255,19 +255,15 @@ void ImportantFileWriter::WriteNow(std::unique_ptr<std::string> data) {
     return;
   }
 
-  Closure task = AdaptCallbackForRepeating(
+  auto task =
       BindOnce(&WriteScopedStringToFileAtomically, path_, std::move(data),
                std::move(before_next_write_callback_),
-               std::move(after_next_write_callback_), histogram_suffix_));
+               std::move(after_next_write_callback_), histogram_suffix_);
 
-  if (!task_runner_->PostTask(FROM_HERE, MakeCriticalClosure(task))) {
-    // Posting the task to background message loop is not expected
-    // to fail, but if it does, avoid losing data and just hit the disk
-    // on the current thread.
-    NOTREACHED();
+  // If PostTask() returns false, it means that |task_runner_| isn't
+  // BLOCK_SHUTDOWN and thus isn't appropriate to write an important file.
+  CHECK(task_runner_->PostTask(FROM_HERE, std::move(task)));
 
-    task.Run();
-  }
   ClearPendingWrite();
 }