Switch to using TimeTicks rather than Time in message loops

base/message_pump_glib.cc

 // Copyright (c) 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_glib.h"
 
 #include <fcntl.h>
 #include <math.h>
 
 #include <gtk/gtk.h>
 #include <glib.h>
 
 #include "base/eintr_wrapper.h"
 #include "base/logging.h"
 #include "base/platform_thread.h"
 
 namespace {
 
 // We send a byte across a pipe to wakeup the event loop.
 const char kWorkScheduled = '\0';
 
 // Return a timeout suitable for the glib loop, -1 to block forever,
 // 0 to return right away, or a timeout in milliseconds from now.
-int GetTimeIntervalMilliseconds(base::Time from) {
+int GetTimeIntervalMilliseconds(const base::TimeTicks& from) {
   if (from.is_null())
     return -1;
 
   // Be careful here.  TimeDelta has a precision of microseconds, but we want a
   // value in milliseconds.  If there are 5.5ms left, should the delay be 5 or
   // 6?  It should be 6 to avoid executing delayed work too early.
   int delay = static_cast<int>(
-      ceil((from - base::Time::Now()).InMillisecondsF()));
+      ceil((from - base::TimeTicks::Now()).InMillisecondsF()));
 
   // If this value is negative, then we need to run delayed work soon.
   return delay < 0 ? 0 : delay;
 }
 
 // A brief refresher on GLib:
 //     GLib sources have four callbacks: Prepare, Check, Dispatch and Finalize.
 // On each iteration of the GLib pump, it calls each source's Prepare function.
 // This function should return TRUE if it wants GLib to call its Dispatch, and
 // FALSE otherwise.  It can also set a timeout in this case for the next time
@@ skipping 283 matching lines @@
 void MessagePumpForUI::ScheduleWork() {
   // This can be called on any thread, so we don't want to touch any state
   // variables as we would then need locks all over.  This ensures that if
   // we are sleeping in a poll that we will wake up.
   char msg = '!';
   if (HANDLE_EINTR(write(wakeup_pipe_write_, &msg, 1)) != 1) {
     NOTREACHED() << "Could not write to the UI message loop wakeup pipe!";
   }
 }
 
-void MessagePumpForUI::ScheduleDelayedWork(const Time& delayed_work_time) {
+void MessagePumpForUI::ScheduleDelayedWork(const TimeTicks& delayed_work_time) {
   // We need to wake up the loop in case the poll timeout needs to be
   // adjusted.  This will cause us to try to do work, but that's ok.
   delayed_work_time_ = delayed_work_time;
   ScheduleWork();
 }
 
 void MessagePumpForUI::DispatchEvents(GdkEvent* event) {
   WillProcessEvent(event);
   if (state_ && state_->dispatcher) { // state_ may be null during tests.
     if (!state_->dispatcher->Dispatch(event))
       state_->should_quit = true;
   } else {
     gtk_main_do_event(event);
   }
   DidProcessEvent(event);
 }
 
 // static
 void MessagePumpForUI::EventDispatcher(GdkEvent* event, gpointer data) {
   MessagePumpForUI* message_pump = reinterpret_cast<MessagePumpForUI*>(data);
   message_pump->DispatchEvents(event);
 }
 
 }  // namespace base