Add functions to expand PostDelayedTask interface.

remoting/host/plugin/host_plugin.cc

Index: remoting/host/plugin/host_plugin.cc
diff --git a/remoting/host/plugin/host_plugin.cc b/remoting/host/plugin/host_plugin.cc
index f001afbe428872f314ce7ec2173419fc9db74c45..69340d055552f430b7ed4889922c1274b73288da 100644
--- a/remoting/host/plugin/host_plugin.cc
+++ b/remoting/host/plugin/host_plugin.cc
@@ -148,13 +148,13 @@ class HostNPPlugin : public remoting::PluginMessageLoopProxy::Delegate {
 
   // PluginMessageLoopProxy::Delegate implementation.
   virtual bool RunOnPluginThread(
-      int delay_ms, void(function)(void*), void* data) OVERRIDE {
-    if (delay_ms == 0) {
+      base::TimeDelta delay, void(function)(void*), void* data) OVERRIDE {
+    if (delay == base::TimeDelta()) {
       g_npnetscape_funcs->pluginthreadasynccall(instance_, function, data);
     } else {
       base::AutoLock auto_lock(timers_lock_);
       uint32_t timer_id = g_npnetscape_funcs->scheduletimer(
-          instance_, delay_ms, false, &NPDelayedTaskSpringboard);
+          instance_, delay.InMilliseconds(), false, &NPDelayedTaskSpringboard);
       DelayedTask task = {function, data};
       timers_[timer_id] = task;
     }