Drop irrelevant DCHECK and re-enable SyncFileSystemApiTest.GetFileStatus

storage/browser/fileapi/timed_task_helper.cc

Index: storage/browser/fileapi/timed_task_helper.cc
diff --git a/storage/browser/fileapi/timed_task_helper.cc b/storage/browser/fileapi/timed_task_helper.cc
index 950df7625ab3f5f80aa88c7d7117aae85833fe8f..f16f8b83a38e79a87a2af3d62e3bcabfe7362a9c 100644
--- a/storage/browser/fileapi/timed_task_helper.cc
+++ b/storage/browser/fileapi/timed_task_helper.cc
@@ -27,7 +27,6 @@ TimedTaskHelper::TimedTaskHelper(base::SequencedTaskRunner* task_runner)
 }
 
 TimedTaskHelper::~TimedTaskHelper() {
-  DCHECK(task_runner_->RunsTasksOnCurrentThread());

[nhiroki, 2014/10/08 05:29:55]

Let me confirm my understanding... when task_runner_ was already shutdown, this
dtor is called on another task_runner and there is no remaining task. So we can
safely destruct the helper without this check.

   if (tracker_)
     tracker_->timer = NULL;
 }