Switch to using TimeTicks rather than Time in message loops

base/message_pump_libevent.cc

 // Copyright (c) 2010 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_libevent.h"
 
 #include <errno.h>
 #include <fcntl.h>
 
 #include "base/auto_reset.h"
@@ skipping 272 matching lines @@
       break;
 
     if (did_work)
       continue;
 
     // EVLOOP_ONCE tells libevent to only block once,
     // but to service all pending events when it wakes up.
     if (delayed_work_time_.is_null()) {
       event_base_loop(event_base_, EVLOOP_ONCE);
     } else {
-      TimeDelta delay = delayed_work_time_ - Time::Now();
+      TimeDelta delay = delayed_work_time_ - TimeTicks::Now();
       if (delay > TimeDelta()) {
         struct timeval poll_tv;
         poll_tv.tv_sec = delay.InSeconds();
         poll_tv.tv_usec = delay.InMicroseconds() % Time::kMicrosecondsPerSecond;
         event_set(timer_event.get(), -1, 0, timer_callback, event_base_);
         event_base_set(event_base_, timer_event.get());
         event_add(timer_event.get(), &poll_tv);
         event_base_loop(event_base_, EVLOOP_ONCE);
         event_del(timer_event.get());
       } 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();
       }
     }
   }
 
   keep_running_ = true;
 }
 
 void MessagePumpLibevent::Quit() {
   DCHECK(in_run_);
   // Tell both libevent and Run that they should break out of their loops.
   keep_running_ = false;
   ScheduleWork();
 }
 
 void MessagePumpLibevent::ScheduleWork() {
   // Tell libevent (in a threadsafe way) that it should break out of its loop.
   char buf = 0;
   int nwrite = HANDLE_EINTR(write(wakeup_pipe_in_, &buf, 1));
   DCHECK(nwrite == 1 || errno == EAGAIN)
       << "[nwrite:" << nwrite << "] [errno:" << errno << "]";
 }
 
-void MessagePumpLibevent::ScheduleDelayedWork(const Time& delayed_work_time) {
+void MessagePumpLibevent::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;
 }
 
 void MessagePumpLibevent::AddIOObserver(IOObserver *obs) {
   io_observers_.AddObserver(obs);
 }
 
 void MessagePumpLibevent::RemoveIOObserver(IOObserver *obs) {
   io_observers_.RemoveObserver(obs);
 }
 
 void MessagePumpLibevent::WillProcessIOEvent() {
   FOR_EACH_OBSERVER(IOObserver, io_observers_, WillProcessIOEvent());
 }
 
 void MessagePumpLibevent::DidProcessIOEvent() {
   FOR_EACH_OBSERVER(IOObserver, io_observers_, DidProcessIOEvent());
 }
 
 }  // namespace base