Make SequencedWorkerPool a TaskRunner

base/threading/sequenced_worker_pool.cc

Index: base/threading/sequenced_worker_pool.cc
diff --git a/base/threading/sequenced_worker_pool.cc b/base/threading/sequenced_worker_pool.cc
index e5984fe8f91d1e4566932695be6cee841e41df2c..24838f242577837a0ae289651c094fdc57deab49 100644
--- a/base/threading/sequenced_worker_pool.cc
+++ b/base/threading/sequenced_worker_pool.cc
@@ -8,6 +8,7 @@
 
 #include "base/logging.h"
 #include "base/threading/sequenced_worker_pool_inner.h"
+#include "base/threading/sequenced_worker_pool_task_runner.h"
 
 namespace base {
 
@@ -30,6 +31,10 @@ SequencedWorkerPool::SequenceToken SequencedWorkerPool::GetNamedSequenceToken(
   return inner_->GetNamedSequenceToken(name);
 }
 
+scoped_refptr<TaskRunner> SequencedWorkerPool::GetTaskRunner() {
+  return new internal::SequencedWorkerPoolTaskRunner(inner_);
+}
+
 bool SequencedWorkerPool::PostWorkerTask(
     const tracked_objects::Location& from_here,
     const base::Closure& task) {