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

remoting/base/plugin_message_loop_proxy.cc

Index: remoting/base/plugin_message_loop_proxy.cc
diff --git a/remoting/base/plugin_message_loop_proxy.cc b/remoting/base/plugin_message_loop_proxy.cc
index 9d9a5990398ebbc5a7feca0dd36bd073319d5d7f..ad595c8c9418ac889371ad087546fd0aad34876e 100644
--- a/remoting/base/plugin_message_loop_proxy.cc
+++ b/remoting/base/plugin_message_loop_proxy.cc
@@ -27,14 +27,6 @@ void PluginMessageLoopProxy::Detach() {
 bool PluginMessageLoopProxy::PostDelayedTask(
     const tracked_objects::Location& from_here,
     const base::Closure& task,
-    int64 delay_ms) {
-  return PostDelayedTask(
-      from_here, task, base::TimeDelta::FromMilliseconds(delay_ms));
-}
-
-bool PluginMessageLoopProxy::PostDelayedTask(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task,
     base::TimeDelta delay) {
   base::AutoLock auto_lock(lock_);
   if (!delegate_)
@@ -49,14 +41,6 @@ bool PluginMessageLoopProxy::PostDelayedTask(
 bool PluginMessageLoopProxy::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here,
     const base::Closure& task,
-    int64 delay_ms) {
-  // All tasks running on this message loop are non-nestable.
-  return PostDelayedTask(from_here, task, delay_ms);
-}
-
-bool PluginMessageLoopProxy::PostNonNestableDelayedTask(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task,
     base::TimeDelta delay) {
   // All tasks running on this message loop are non-nestable.
   return PostDelayedTask(from_here, task, delay);