Treat a delay of under 1 millisecond in MessagePumpDefault as a signal that the corresponding delay…

base/message_loop/message_pump_default.cc

Index: base/message_loop/message_pump_default.cc
diff --git a/base/message_loop/message_pump_default.cc b/base/message_loop/message_pump_default.cc
index 27c19e0227bc6f9d6c0f0d71562a2d14c466a42c..bb9d8ce9ffc657e53d3104049fcd951cb4406321 100644
--- a/base/message_loop/message_pump_default.cc
+++ b/base/message_loop/message_pump_default.cc
@@ -52,7 +52,8 @@ void MessagePumpDefault::Run(Delegate* delegate) {
       event_.Wait();
     } else {
       TimeDelta delay = delayed_work_time_ - TimeTicks::Now();
-      if (delay > TimeDelta()) {
+      // If the delay is under 1 ms we need to execute the task right away.
+      if (delay.InMilliseconds() >= 1) {
         event_.TimedWait(delay);
       } else {
         // It looks like delayed_work_time_ indicates a time in the past, so we