Switch to using TimeTicks rather than Time in message loops

base/message_pump_default.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_pump_default.h"
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 
 namespace base {
@@ skipping 23 matching lines @@
     did_work = delegate->DoIdleWork();
     if (!keep_running_)
       break;
 
     if (did_work)
       continue;
 
     if (delayed_work_time_.is_null()) {
       event_.Wait();
     } else {
-      TimeDelta delay = delayed_work_time_ - Time::Now();
+      TimeDelta delay = delayed_work_time_ - TimeTicks::Now();
       if (delay > TimeDelta()) {
         event_.TimedWait(delay);
       } else {
         // It looks like delayed_work_time_ indicates a time in the past, so we
         // need to call DoDelayedWork now.
-        delayed_work_time_ = Time();
+        delayed_work_time_ = TimeTicks();
       }
     }
     // Since event_ is auto-reset, we don't need to do anything special here
     // other than service each delegate method.
   }
 
   keep_running_ = true;
 }
 
 void MessagePumpDefault::Quit() {
   keep_running_ = false;
 }
 
 void MessagePumpDefault::ScheduleWork() {
   // Since this can be called on any thread, we need to ensure that our Run
   // loop wakes up.
   event_.Signal();
 }
 
-void MessagePumpDefault::ScheduleDelayedWork(const Time& delayed_work_time) {
+void MessagePumpDefault::ScheduleDelayedWork(
+    const TimeTicks& delayed_work_time) {
   // We know that we can't be blocked on Wait right now since this method can
   // only be called on the same thread as Run, so we only need to update our
   // record of how long to sleep when we do sleep.
   delayed_work_time_ = delayed_work_time;
 }
 
 }  // namespace base