Remove old Sleep and PostDelayedTask interfaces that use int ms instead of TimeDelta.

webkit/dom_storage/dom_storage_task_runner.cc

Index: webkit/dom_storage/dom_storage_task_runner.cc
diff --git a/webkit/dom_storage/dom_storage_task_runner.cc b/webkit/dom_storage/dom_storage_task_runner.cc
index f25699c71187c2cefe11461453d585e11bed19ce..9935ad7be9d0530e25eedf06e7c1ad46ea5eef8c 100644
--- a/webkit/dom_storage/dom_storage_task_runner.cc
+++ b/webkit/dom_storage/dom_storage_task_runner.cc
@@ -17,14 +17,6 @@ bool DomStorageTaskRunner::RunsTasksOnCurrentThread() const {
   return IsRunningOnSequence(PRIMARY_SEQUENCE);
 }
 
-bool DomStorageTaskRunner::PostDelayedTask(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task,
-    int64 delay_ms) {
-  return PostDelayedTask(
-      from_here, task, base::TimeDelta::FromMilliseconds(delay_ms));
-}
-
 // DomStorageWorkerPoolTaskRunner
 
 DomStorageWorkerPoolTaskRunner::DomStorageWorkerPoolTaskRunner(