Migrate base::TaskRunner from Closure to OnceClosure

base/deferred_sequenced_task_runner.cc

Index: base/deferred_sequenced_task_runner.cc
diff --git a/base/deferred_sequenced_task_runner.cc b/base/deferred_sequenced_task_runner.cc
index 3811bdaa82103d648b15910fbcd0a6db93a83517..f17fea7735f2c436acd907a421e11b2ed5f40301 100644
--- a/base/deferred_sequenced_task_runner.cc
+++ b/base/deferred_sequenced_task_runner.cc
@@ -34,7 +34,7 @@ DeferredSequencedTaskRunner::~DeferredSequencedTaskRunner() {
 
 bool DeferredSequencedTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock lock(lock_);
   if (started_) {
@@ -54,7 +54,7 @@ bool DeferredSequencedTaskRunner::RunsTasksOnCurrentThread() const {
 
 bool DeferredSequencedTaskRunner::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock lock(lock_);
   if (started_) {
@@ -69,7 +69,7 @@ bool DeferredSequencedTaskRunner::PostNonNestableDelayedTask(
 
 void DeferredSequencedTaskRunner::QueueDeferredTask(
     const tracked_objects::Location& from_here,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay,
     bool is_non_nestable) {
   DeferredTask deferred_task;