Add function support for Sleep and MessageLoop with TimeDelta input.

base/message_loop.h

Index: base/message_loop.h
diff --git a/base/message_loop.h b/base/message_loop.h
index 28ccd4eefa825460b9c3e20b50dc52d0e7c9d49b..18333e26b8b5d23e0c7ddb8bd59a70afc33890e4 100644
--- a/base/message_loop.h
+++ b/base/message_loop.h
@@ -168,12 +168,22 @@ class BASE_EXPORT MessageLoop : public base::MessagePump::Delegate {
   void PostDelayedTask(
       const tracked_objects::Location& from_here, Task* task, int64 delay_ms);
 
+  void PostDelayedTask(
+      const tracked_objects::Location& from_here,
+      Task* task,
+      base::TimeDelta delay);
+
   void PostNonNestableTask(
       const tracked_objects::Location& from_here, Task* task);
 
   void PostNonNestableDelayedTask(
       const tracked_objects::Location& from_here, Task* task, int64 delay_ms);
 
+  void PostNonNestableDelayedTask(
+      const tracked_objects::Location& from_here,
+      Task* task,
+      base::TimeDelta delay);
+
   // TODO(ajwong): Remove the functions above once the Task -> Closure migration
   // is complete.
   //
@@ -189,6 +199,11 @@ class BASE_EXPORT MessageLoop : public base::MessagePump::Delegate {
       const tracked_objects::Location& from_here,
       const base::Closure& task, int64 delay_ms);
 
+  void PostDelayedTask(
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      base::TimeDelta delay);
+
   void PostNonNestableTask(
       const tracked_objects::Location& from_here,
       const base::Closure& task);
@@ -197,6 +212,11 @@ class BASE_EXPORT MessageLoop : public base::MessagePump::Delegate {
       const tracked_objects::Location& from_here,
       const base::Closure& task, int64 delay_ms);
 
+  void PostNonNestableDelayedTask(
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      base::TimeDelta delay);
+
   // A variant on PostTask that deletes the given object.  This is useful
   // if the object needs to live until the next run of the MessageLoop (for
   // example, deleting a RenderProcessHost from within an IPC callback is not