Update base/timer.h code to pass through Location from call sites.

chrome/browser/prerender/prerender_manager.cc

 // Copyright (c) 2011 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 "chrome/browser/prerender/prerender_manager.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 163 matching lines @@
   explicit MostVisitedSites(Profile* profile) :
       profile_(profile) {
     // If TopSites is already loaded, we will want to use it right away.
     // Otherwise, wait for three seconds to avoid race conditions.
     // This is a hack to ensure unit tests don't fail.
     // See http://crbug.com/94654
     if (profile && profile->GetTopSitesWithoutCreating()) {
       Init();
     } else {
       timer_.Start(base::TimeDelta::FromSeconds(3), this,
-                   &prerender::PrerenderManager::MostVisitedSites::Init);
+                   &prerender::PrerenderManager::MostVisitedSites::Init,
+                   FROM_HERE);
     }
   }
 
   void Init() {
     history::TopSites* top_sites = GetTopSites();
     if (top_sites) {
       registrar_.Add(this, chrome::NOTIFICATION_TOP_SITES_CHANGED,
                      Source<history::TopSites>(top_sites));
     }
 
@@ skipping 598 matching lines @@
       base::TimeDelta::FromMilliseconds(kMinTimeBetweenPrerendersMs);
 }
 
 void PrerenderManager::StartSchedulingPeriodicCleanups() {
   DCHECK(CalledOnValidThread());
   if (repeating_timer_.IsRunning())
     return;
   repeating_timer_.Start(
       base::TimeDelta::FromMilliseconds(kPeriodicCleanupIntervalMs),
       this,
-      &PrerenderManager::PeriodicCleanup);
+      &PrerenderManager::PeriodicCleanup,
+      FROM_HERE);
 }
 
 void PrerenderManager::MaybeStopSchedulingPeriodicCleanups() {
   if (!prerender_list_.empty())
     return;
 
   DCHECK(CalledOnValidThread());
   repeating_timer_.Stop();
 }
 
@@ skipping 214 matching lines @@
   DeletePendingDeleteEntries();
 }
 
 void PrerenderManager::RecordFinalStatus(Origin origin,
                                          uint8 experiment_id,
                                          FinalStatus final_status) const {
   histograms_->RecordFinalStatus(origin, experiment_id, final_status);
 }
 
 }  // namespace prerender