Fix typo in TaskScheduler Migration doc.

skym · Commit Bot · commit d253eface791 · 2017-06-20T21:25:24.000Z
BUG= Review-Url: https://codereview.chromium.org/2948623003 Cr-Commit-Position: refs/heads/master@{#480960}
diff --git a/docs/task_scheduler_migration.md b/docs/task_scheduler_migration.md
@@ -44,7 +44,7 @@ Replace methods that used to
 ```
 and make them use
 ```cpp
-  base::ThreadsRestrictions::AssertIOAllowed();
+  base::ThreadRestrictions::AssertIOAllowed();
 ```
 
 The TaskScheduler API intentionally doesn't provide a
