Replace Closure in TaskRunner::PostTask with OneShotCallback

base/threading/post_task_and_reply_impl_unittest.cc

Index: base/threading/post_task_and_reply_impl_unittest.cc
diff --git a/base/threading/post_task_and_reply_impl_unittest.cc b/base/threading/post_task_and_reply_impl_unittest.cc
index 8c6faaf8c0afc9a8d01a999f8238c4ecf8823556..bb4a950f916fbdbc7427ea47908ec6a93fa90c44 100644
--- a/base/threading/post_task_and_reply_impl_unittest.cc
+++ b/base/threading/post_task_and_reply_impl_unittest.cc
@@ -27,8 +27,8 @@ class PostTaskAndReplyTaskRunner : public internal::PostTaskAndReplyImpl {
 
  private:
   bool PostTask(const tracked_objects::Location& from_here,
-                const Closure& task) override {
-    return destination_->PostTask(from_here, task);
+                OnceClosure task) override {
+    return destination_->PostTask(from_here, std::move(task));
   }
 
   // Non-owning.
@@ -97,8 +97,8 @@ TEST(PostTaskAndReplyImplTest, PostTaskAndReply) {
   post_runner->RunUntilIdle();
   testing::Mock::VerifyAndClear(&mock_object);
 
-  // Expect the task's argument not to have been deleted yet.
-  EXPECT_FALSE(delete_flag);
+  // Expect the task's argument to have been deleted on the target task runner.
+  EXPECT_TRUE(delete_flag);
 
   // Expect the reply to be posted to |reply_runner|.
   EXPECT_FALSE(post_runner->HasPendingTask());
@@ -106,7 +106,6 @@ TEST(PostTaskAndReplyImplTest, PostTaskAndReply) {
   EXPECT_CALL(mock_object, ReplyMock());
   reply_runner->RunUntilIdle();
   testing::Mock::VerifyAndClear(&mock_object);
-  EXPECT_TRUE(delete_flag);
 
   // Expect no pending task in |post_runner| and |reply_runner|.
   EXPECT_FALSE(post_runner->HasPendingTask());