Implementation of SequencedTaskRunner based on SequencedWorkerPool.

base/threading/sequenced_worker_pool.cc

Index: base/threading/sequenced_worker_pool.cc
===================================================================
--- base/threading/sequenced_worker_pool.cc	(revision 130053)
+++ base/threading/sequenced_worker_pool.cc	(working copy)
@@ -22,6 +22,7 @@
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
+#include "base/threading/sequenced_worker_pool_task_runner.h"
 #include "base/threading/simple_thread.h"
 #include "base/time.h"
 #include "base/tracked_objects.h"
@@ -758,6 +759,11 @@
   return inner_->GetNamedSequenceToken(name);
 }
 
+scoped_refptr<SequencedTaskRunner> SequencedWorkerPool::GetSequencedTaskRunner(
+    SequenceToken token) {
+  return new SequencedWorkerPoolTaskRunner(this, token);
+}
+
 bool SequencedWorkerPool::PostWorkerTask(
     const tracked_objects::Location& from_here,
     const Closure& task) {