base: SysInfo::Uptime() returns a TimeDelta

content/browser/power_usage_monitor_impl.cc

 // Copyright 2014 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 "content/browser/power_usage_monitor_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 118 matching lines @@
                  NOTIFICATION_RENDERER_PROCESS_CREATED,
                  NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this,
                  NOTIFICATION_RENDERER_PROCESS_CLOSED,
                  NotificationService::AllBrowserContextsAndSources());
   subscription_ =
       device::BatteryStatusService::GetInstance()->AddCallback(callback_);
 
   // Delay initialization until the system has been up for a while.
   // This is to mitigate the effect of increased power draw during system start.
-  base::TimeDelta uptime =
-      base::TimeDelta::FromMilliseconds(base::SysInfo::Uptime());
+  base::TimeDelta uptime = base::SysInfo::Uptime();
   base::TimeDelta min_uptime = base::TimeDelta::FromMinutes(kMinUptimeMinutes);
   if (uptime < min_uptime) {
     base::TimeDelta delay = min_uptime - uptime;
     BrowserThread::PostDelayedTask(
         BrowserThread::UI,
         FROM_HERE,
         base::Bind(&PowerUsageMonitor::StartInternal, base::Unretained(this)),
         delay);
   } else {
     StartInternal();
@@ skipping 116 matching lines @@
   RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr();
   OnRenderProcessNotification(type, rph->GetID());
 }
 
 void PowerUsageMonitor::CancelPendingHistogramReporting() {
   // Cancel any in-progress histogram reports and reporting of discharge UMA.
   system_interface_->CancelPendingHistogramReports();
 }
 
 }  // namespace content