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

webkit/dom_storage/dom_storage_task_runner.h

Index: webkit/dom_storage/dom_storage_task_runner.h
diff --git a/webkit/dom_storage/dom_storage_task_runner.h b/webkit/dom_storage/dom_storage_task_runner.h
index eb9da803efa4f071602f1a7704598f30a3867e94..4266509f25f7bd305bf1f50d3914871632410503 100644
--- a/webkit/dom_storage/dom_storage_task_runner.h
+++ b/webkit/dom_storage/dom_storage_task_runner.h
@@ -59,13 +59,6 @@ class DomStorageTaskRunner : public base::TaskRunner {
     return IsRunningOnSequence(COMMIT_SEQUENCE);
   }
 
-  // DEPRECATED: Only here because base::TaskRunner requires it, implemented
-  // by calling the virtual PostDelayedTask(..., TimeDelta) variant.
-  virtual bool PostDelayedTask(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
-      int64 delay_ms) OVERRIDE;
-
  protected:
   virtual ~DomStorageTaskRunner() {}
 };