Make SequencedWorkerPool::IsRunningSequenceOnCurrentThread() private.

base/threading/sequenced_task_runner_handle.cc

Index: base/threading/sequenced_task_runner_handle.cc
diff --git a/base/threading/sequenced_task_runner_handle.cc b/base/threading/sequenced_task_runner_handle.cc
index db96a6ada942741d6b3b8b96946c56680340afdd..53f3261d9f7c914982cc7992aa356ffb0b81e2e2 100644
--- a/base/threading/sequenced_task_runner_handle.cc
+++ b/base/threading/sequenced_task_runner_handle.cc
@@ -40,8 +40,10 @@ scoped_refptr<SequencedTaskRunner> SequencedTaskRunnerHandle::Get() {
     SequencedWorkerPool::SequenceToken sequence_token =
         SequencedWorkerPool::GetSequenceTokenForCurrentThread();
     DCHECK(sequence_token.IsValid());
-    DCHECK(pool->IsRunningSequenceOnCurrentThread(sequence_token));
-    return pool->GetSequencedTaskRunner(sequence_token);
+    scoped_refptr<SequencedTaskRunner> sequenced_task_runner(
+        pool->GetSequencedTaskRunner(sequence_token));
+    DCHECK(sequenced_task_runner->RunsTasksOnCurrentThread());
+    return sequenced_task_runner;
   }
 
   // Return the SingleThreadTaskRunner for the current thread otherwise.