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

chrome/browser/upgrade_detector_impl.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/upgrade_detector_impl.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 143 matching lines @@
   // Windows: only enable upgrade notifications for official builds.
   // Mac: only enable them if the updater (Keystone) is present.
   // Linux (and other POSIX): always enable regardless of branding.
 #if (defined(OS_WIN) && defined(GOOGLE_CHROME_BUILD)) || defined(OS_POSIX)
 #if defined(OS_MACOSX)
   if (keystone_glue::KeystoneEnabled())
 #endif
   {
     detect_upgrade_timer_.Start(
         base::TimeDelta::FromMilliseconds(GetCheckForUpgradeEveryMs()),
-        this, &UpgradeDetectorImpl::CheckForUpgrade);
+        this, &UpgradeDetectorImpl::CheckForUpgrade, FROM_HERE);
   }
 #endif
 }
 
 UpgradeDetectorImpl::~UpgradeDetectorImpl() {
 }
 
 void UpgradeDetectorImpl::CheckForUpgrade() {
   method_factory_.RevokeAll();
   Task* callback_task =
@@ skipping 15 matching lines @@
 
   NotifyUpgradeDetected();
 
   // Start the repeating timer for notifying the user after a certain period.
   // The called function will eventually figure out that enough time has passed
   // and stop the timer.
   int cycle_time = CmdLineInterval().empty() ? kNotifyCycleTimeMs :
                                                kNotifyCycleTimeForTestingMs;
   upgrade_notification_timer_.Start(
       base::TimeDelta::FromMilliseconds(cycle_time),
-      this, &UpgradeDetectorImpl::NotifyOnUpgrade);
+      this, &UpgradeDetectorImpl::NotifyOnUpgrade, FROM_HERE);
 }
 
 void UpgradeDetectorImpl::NotifyOnUpgrade() {
   base::TimeDelta delta = base::Time::Now() - upgrade_detected_time();
   std::string interval = CmdLineInterval();
 
   // A command line interval implies testing, which we'll make more convenient
   // by switching to seconds of waiting instead of days between flipping
   // severity. This works in conjunction with the similar interval.empty()
   // check below.
@@ skipping 43 matching lines @@
 
 // static
 UpgradeDetectorImpl* UpgradeDetectorImpl::GetInstance() {
   return Singleton<UpgradeDetectorImpl>::get();
 }
 
 // static
 UpgradeDetector* UpgradeDetector::GetInstance() {
   return UpgradeDetectorImpl::GetInstance();
 }