Introduce base::IgnoreReuse() to wrap OnceCallback into RepeatingCallback

base/files/important_file_writer.cc

Index: base/files/important_file_writer.cc
diff --git a/base/files/important_file_writer.cc b/base/files/important_file_writer.cc
index b46846277b0bbde35d6196b39a6f16a33045b560..c307993ee6249fc7a87c27d7be41cbfd974f3373 100644
--- a/base/files/important_file_writer.cc
+++ b/base/files/important_file_writer.cc
@@ -11,6 +11,7 @@
 #include <utility>
 
 #include "base/bind.h"
+#include "base/callback_helpers.h"
 #include "base/critical_closure.h"
 #include "base/debug/alias.h"
 #include "base/files/file.h"
@@ -178,9 +179,10 @@ void ImportantFileWriter::WriteNow(std::unique_ptr<std::string> data) {
   if (HasPendingWrite())
     timer_.Stop();
 
-  Closure task = Bind(&WriteScopedStringToFileAtomically, path_, Passed(&data),
-                      Passed(&before_next_write_callback_),
-                      Passed(&after_next_write_callback_));
+  Closure task = IgnoreReuse(BindOnce(&WriteScopedStringToFileAtomically, path_,
+                                      std::move(data),
+                                      std::move(before_next_write_callback_),
+                                      std::move(after_next_write_callback_)));
 
   if (!task_runner_->PostTask(FROM_HERE, MakeCriticalClosure(task))) {
     // Posting the task to background message loop is not expected