Replace Closure in TaskRunner::PostTask with OneShotCallback

chromeos/dbus/blocking_method_caller_unittest.cc

Index: chromeos/dbus/blocking_method_caller_unittest.cc
diff --git a/chromeos/dbus/blocking_method_caller_unittest.cc b/chromeos/dbus/blocking_method_caller_unittest.cc
index 7a6e23c90d3f3bdc79d216354f1bcdcda18fd8da..31052956efb1f5302bffad4a20850e8b8b11caa1 100644
--- a/chromeos/dbus/blocking_method_caller_unittest.cc
+++ b/chromeos/dbus/blocking_method_caller_unittest.cc
@@ -27,9 +27,9 @@ namespace {
 class FakeTaskRunner : public base::TaskRunner {
  public:
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       const base::Closure& task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override {
-    task.Run();
+    std::move(task).Run();
     return true;
   }
   bool RunsTasksOnCurrentThread() const override { return true; }