Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

so the original code that created the delayed callback is lost."

This reverts commit 4cf5cf73d319b69c32ad30af8954235755856455. (r99284)

TBR=jbates@chromium.org

Review URL: http://codereview.chromium.org/7825026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@99290 0039d316-1c4b-4281-b951-d872f2087c98

62 files changed, 79 insertions, 105 deletions

diff --git a/chrome/browser/autocomplete/autocomplete.cc b/chrome/browser/autocomplete/autocomplete.cc
index 8d1a363..585fdd5 100644
--- a/chrome/browser/autocomplete/autocomplete.cc
+++ b/chrome/browser/autocomplete/autocomplete.cc
@@ -1018,7 +1018,6 @@ void AutocompleteController::CheckIfDone() {
 
 void AutocompleteController::StartExpireTimer() {
   if (result_.HasCopiedMatches())
-    expire_timer_.Start(FROM_HERE,
-                        base::TimeDelta::FromMilliseconds(kExpireTimeMS),
+    expire_timer_.Start(base::TimeDelta::FromMilliseconds(kExpireTimeMS),
                         this, &AutocompleteController::ExpireCopiedEntries);
 }
diff --git a/chrome/browser/autocomplete/search_provider.cc b/chrome/browser/autocomplete/search_provider.cc
index c50b8c8..11a335b 100644
--- a/chrome/browser/autocomplete/search_provider.cc
+++ b/chrome/browser/autocomplete/search_provider.cc
@@ -365,8 +365,7 @@ void SearchProvider::StartOrStopSuggestQuery(bool minimal_changes) {
   // Kick off a timer that will start the URL fetch if it completes before
   // the user types another character.
   int delay = query_suggest_immediately_ ? 0 : kQueryDelayMs;
-  timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(delay), this,
-               &SearchProvider::Run);
+  timer_.Start(TimeDelta::FromMilliseconds(delay), this, &SearchProvider::Run);
 }
 
 bool SearchProvider::IsQuerySuitableForSuggest() const {
diff --git a/chrome/browser/bookmarks/bookmark_drop_info.cc b/chrome/browser/bookmarks/bookmark_drop_info.cc
index 1b0b3e6..30d1f03 100644
--- a/chrome/browser/bookmarks/bookmark_drop_info.cc
+++ b/chrome/browser/bookmarks/bookmark_drop_info.cc
@@ -42,7 +42,7 @@ void BookmarkDropInfo::Update(const views::DropTargetEvent& event) {
   scroll_up_ = (last_y_ <= top_margin_ + views::kAutoscrollSize);
   if (scroll_up_ || scroll_down) {
     if (!scroll_timer_.IsRunning()) {
-      scroll_timer_.Start(FROM_HERE,
+      scroll_timer_.Start(
           base::TimeDelta::FromMilliseconds(views::kAutoscrollRowTimerMS),
           this,
           &BookmarkDropInfo::Scroll);
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index ca60f3b..c46580a 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -652,7 +652,7 @@ void BrowserProcessImpl::Observe(int type,
 
 #if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
 void BrowserProcessImpl::StartAutoupdateTimer() {
-  autoupdate_timer_.Start(FROM_HERE,
+  autoupdate_timer_.Start(
       base::TimeDelta::FromHours(kUpdateCheckIntervalHours),
       this,
       &BrowserProcessImpl::OnAutoupdateTimer);
diff --git a/chrome/browser/chromeos/cros/login_library.cc b/chrome/browser/chromeos/cros/login_library.cc
index 238b52b..af42d4a 100644
--- a/chrome/browser/chromeos/cros/login_library.cc
+++ b/chrome/browser/chromeos/cros/login_library.cc
@@ -89,7 +89,7 @@ class LoginLibraryImpl : public LoginLibrary {
         // just kills us so settings may be lost. See http://crosbug.com/13102
         local_state_->CommitPendingWrite();
         timer_.Start(
-            FROM_HERE, base::TimeDelta::FromSeconds(3), this,
+            base::TimeDelta::FromSeconds(3), this,
             &JobRestartRequest::RestartJob);
         // Post task on file thread thus it occurs last on task queue, so it
         // would be executed after committing pending write on file thread.
diff --git a/chrome/browser/chromeos/cros/power_library.cc b/chrome/browser/chromeos/cros/power_library.cc
index 721202b..a8e62dc 100644
--- a/chrome/browser/chromeos/cros/power_library.cc
+++ b/chrome/browser/chromeos/cros/power_library.cc
@@ -172,7 +172,6 @@ class PowerLibraryStubImpl : public PowerLibrary {
         battery_percentage_(20),
         pause_count_(0) {
     timer_.Start(
-        FROM_HERE,
         base::TimeDelta::FromMilliseconds(100),
         this,
         &PowerLibraryStubImpl::Update);
diff --git a/chrome/browser/chromeos/customization_document.cc b/chrome/browser/chromeos/customization_document.cc
index bd47d4a..4f944e6 100644
--- a/chrome/browser/chromeos/customization_document.cc
+++ b/chrome/browser/chromeos/customization_document.cc
@@ -346,8 +346,7 @@ void ServicesCustomizationDocument::OnURLFetchComplete(
     NetworkLibrary* network = CrosLibrary::Get()->GetNetworkLibrary();
     if (!network->Connected() && num_retries_ < kMaxFetchRetries) {
       num_retries_++;
-      retry_timer_.Start(FROM_HERE,
-                         base::TimeDelta::FromSeconds(kRetriesDelayInSec),
+      retry_timer_.Start(base::TimeDelta::FromSeconds(kRetriesDelayInSec),
                          this, &ServicesCustomizationDocument::StartFileFetch);
       return;
     }
diff --git a/chrome/browser/chromeos/login/network_screen.cc b/chrome/browser/chromeos/login/network_screen.cc
index a860934e..7fabbb9 100644
--- a/chrome/browser/chromeos/login/network_screen.cc
+++ b/chrome/browser/chromeos/login/network_screen.cc
@@ -170,8 +170,7 @@ void NetworkScreen::StopWaitingForConnection(const string16& network_id) {
 void NetworkScreen::WaitForConnection(const string16& network_id) {
   if (network_id_ != network_id || !connection_timer_.IsRunning()) {
     connection_timer_.Stop();
-    connection_timer_.Start(FROM_HERE,
-                            base::TimeDelta::FromSeconds(kConnectionTimeoutSec),
+    connection_timer_.Start(base::TimeDelta::FromSeconds(kConnectionTimeoutSec),
                             this,
                             &NetworkScreen::OnConnectionTimeout);
   }
diff --git a/chrome/browser/chromeos/login/screen_locker.cc b/chrome/browser/chromeos/login/screen_locker.cc
index b9d40f9..fe1616b 100644
--- a/chrome/browser/chromeos/login/screen_locker.cc
+++ b/chrome/browser/chromeos/login/screen_locker.cc
@@ -675,8 +675,7 @@ class LockerInputEventObserver : public MessageLoopForUI::Observer {
   explicit LockerInputEventObserver(ScreenLocker* screen_locker)
       : screen_locker_(screen_locker),
         ALLOW_THIS_IN_INITIALIZER_LIST(
-            timer_(FROM_HERE,
-                   base::TimeDelta::FromSeconds(kScreenSaverIdleTimeout), this,
+            timer_(base::TimeDelta::FromSeconds(kScreenSaverIdleTimeout), this,
                    &LockerInputEventObserver::StartScreenSaver)) {
   }
 
diff --git a/chrome/browser/chromeos/login/update_screen.cc b/chrome/browser/chromeos/login/update_screen.cc
index 676c22e..8e70834 100644
--- a/chrome/browser/chromeos/login/update_screen.cc
+++ b/chrome/browser/chromeos/login/update_screen.cc
@@ -156,8 +156,7 @@ void UpdateScreen::UpdateStatusChanged(UpdateLibrary* library) {
         actor_->ShowCurtain(false);
         VLOG(1) << "Initiate reboot after update";
         CrosLibrary::Get()->GetUpdateLibrary()->RebootAfterUpdate();
-        reboot_timer_.Start(FROM_HERE,
-                            base::TimeDelta::FromSeconds(reboot_check_delay_),
+        reboot_timer_.Start(base::TimeDelta::FromSeconds(reboot_check_delay_),
                             this,
                             &UpdateScreen::OnWaitForRebootTimeElapsed);
       } else {
diff --git a/chrome/browser/chromeos/login/web_page_screen.cc b/chrome/browser/chromeos/login/web_page_screen.cc
index ae5d33f..694cad7 100644
--- a/chrome/browser/chromeos/login/web_page_screen.cc
+++ b/chrome/browser/chromeos/login/web_page_screen.cc
@@ -50,8 +50,7 @@ void WebPageScreen::OnNetworkTimeout() {
 
 void WebPageScreen::StartTimeoutTimer() {
   StopTimeoutTimer();
-  timeout_timer_.Start(FROM_HERE,
-                       TimeDelta::FromSeconds(kNetworkTimeoutSec),
+  timeout_timer_.Start(TimeDelta::FromSeconds(kNetworkTimeoutSec),
                        this,
                        &WebPageScreen::OnNetworkTimeout);
 }
diff --git a/chrome/browser/chromeos/login/web_page_view.cc b/chrome/browser/chromeos/login/web_page_view.cc
index 4ce06c5..7c4826d 100644
--- a/chrome/browser/chromeos/login/web_page_view.cc
+++ b/chrome/browser/chromeos/login/web_page_view.cc
@@ -123,8 +123,7 @@ void WebPageView::Init() {
   connecting_label_->SetVisible(false);
   AddChildView(connecting_label_ );
 
-  start_timer_.Start(FROM_HERE,
-                     TimeDelta::FromMilliseconds(kStartDelayMs),
+  start_timer_.Start(TimeDelta::FromMilliseconds(kStartDelayMs),
                      this,
                      &WebPageView::ShowWaitingControls);
 }
@@ -151,8 +150,7 @@ void WebPageView::ShowPageContent() {
   // TODO(nkostylev): Show throbber as an overlay until page has been rendered.
   start_timer_.Stop();
   if (!stop_timer_.IsRunning()) {
-    stop_timer_.Start(FROM_HERE,
-                      TimeDelta::FromMilliseconds(kStopDelayMs),
+    stop_timer_.Start(TimeDelta::FromMilliseconds(kStopDelayMs),
                       this,
                       &WebPageView::ShowRenderedPage);
   }
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index 5fc5e5e..a2445314 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -502,7 +502,6 @@ void WizardController::SetCurrentScreenSmooth(WizardScreen* new_current,
 
   if (use_smoothing) {
     smooth_show_timer_.Start(
-        FROM_HERE,
         base::TimeDelta::FromMilliseconds(kShowDelayMs),
         this,
         &WizardController::ShowCurrentScreen);
diff --git a/chrome/browser/chromeos/setting_level_bubble.cc b/chrome/browser/chromeos/setting_level_bubble.cc
index 7a35a99..116c445 100644
--- a/chrome/browser/chromeos/setting_level_bubble.cc
+++ b/chrome/browser/chromeos/setting_level_bubble.cc
@@ -148,8 +148,7 @@ void SettingLevelBubble::ShowBubble(double percent, bool enabled) {
     view_->SetEnabled(enabled);
   }
 
-  hide_timer_.Start(FROM_HERE,
-                    base::TimeDelta::FromMilliseconds(kBubbleShowTimeoutMs),
+  hide_timer_.Start(base::TimeDelta::FromMilliseconds(kBubbleShowTimeoutMs),
                     this, &SettingLevelBubble::OnHideTimeout);
 }
 
@@ -233,8 +232,7 @@ void SettingLevelBubble::UpdateTargetPercent(double percent) {
     target_time_ = now + TimeDelta::FromMilliseconds(duration_ms);
 
     if (!is_animating_) {
-      animation_timer_.Start(FROM_HERE,
-                             TimeDelta::FromMilliseconds(kAnimationIntervalMs),
+      animation_timer_.Start(TimeDelta::FromMilliseconds(kAnimationIntervalMs),
                              this,
                              &SettingLevelBubble::OnAnimationTimeout);
       is_animating_ = true;
diff --git a/chrome/browser/chromeos/status/clock_menu_button.cc b/chrome/browser/chromeos/status/clock_menu_button.cc
index 5df5502..ac5b0b6 100644
--- a/chrome/browser/chromeos/status/clock_menu_button.cc
+++ b/chrome/browser/chromeos/status/clock_menu_button.cc
@@ -80,7 +80,7 @@ void ClockMenuButton::UpdateTextAndSetNextTimer() {
   // called just a teeny bit early, then it will skip the next minute.
   seconds_left += kTimerSlopSeconds;
 
-  timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(seconds_left), this,
+  timer_.Start(base::TimeDelta::FromSeconds(seconds_left), this,
                &ClockMenuButton::UpdateTextAndSetNextTimer);
 }
 
diff --git a/chrome/browser/chromeos/status/memory_menu_button.cc b/chrome/browser/chromeos/status/memory_menu_button.cc
index cda69ff..fe4c33c 100644
--- a/chrome/browser/chromeos/status/memory_menu_button.cc
+++ b/chrome/browser/chromeos/status/memory_menu_button.cc
@@ -66,8 +66,7 @@ MemoryMenuButton::~MemoryMenuButton() {
 void MemoryMenuButton::UpdateTextAndSetNextTimer() {
   UpdateText();
 
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromSeconds(kUpdateIntervalSeconds), this,
+  timer_.Start(base::TimeDelta::FromSeconds(kUpdateIntervalSeconds), this,
                &MemoryMenuButton::UpdateTextAndSetNextTimer);
 }
 
diff --git a/chrome/browser/chromeos/upgrade_detector_chromeos.cc b/chrome/browser/chromeos/upgrade_detector_chromeos.cc
index 9445c04..809ba4a 100644
--- a/chrome/browser/chromeos/upgrade_detector_chromeos.cc
+++ b/chrome/browser/chromeos/upgrade_detector_chromeos.cc
@@ -37,7 +37,7 @@ void UpgradeDetectorChromeos::UpdateStatusChanged(
 
   // Setup timer to to move along the upgrade advisory system.
   upgrade_notification_timer_.Start(
-      FROM_HERE, base::TimeDelta::FromMilliseconds(kNotifyCycleTimeMs),
+      base::TimeDelta::FromMilliseconds(kNotifyCycleTimeMs),
       this, &UpgradeDetectorChromeos::NotifyOnUpgrade);
 }
 
diff --git a/chrome/browser/component_updater/component_updater_service.cc b/chrome/browser/component_updater/component_updater_service.cc
index d92516a..8b78857 100644
--- a/chrome/browser/component_updater/component_updater_service.cc
+++ b/chrome/browser/component_updater/component_updater_service.cc
@@ -336,7 +336,7 @@ ComponentUpdateService::Status CrxUpdateService::Start() {
     Source<ComponentUpdateService>(this),
     NotificationService::NoDetails());
 
-  timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(config_->InitialDelay()),
+  timer_.Start(base::TimeDelta::FromSeconds(config_->InitialDelay()),
                this, &CrxUpdateService::ProcessPendingItems);
   return kOk;
 }
@@ -374,7 +374,7 @@ void CrxUpdateService::ScheduleNextRun(bool step_delay) {
       return;
   }
 
-  timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(delay),
+  timer_.Start(base::TimeDelta::FromSeconds(delay),
                this, &CrxUpdateService::ProcessPendingItems);
 }
 
diff --git a/chrome/browser/enumerate_modules_model_win.cc b/chrome/browser/enumerate_modules_model_win.cc
index 694de06..e056cd4 100644
--- a/chrome/browser/enumerate_modules_model_win.cc
+++ b/chrome/browser/enumerate_modules_model_win.cc
@@ -904,7 +904,7 @@ EnumerateModulesModel::EnumerateModulesModel()
       suspected_bad_modules_detected_(0) {
   const CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
   if (cmd_line.HasSwitch(switches::kConflictingModulesCheck)) {
-    check_modules_timer_.Start(FROM_HERE,
+    check_modules_timer_.Start(
         base::TimeDelta::FromMilliseconds(kModuleCheckDelayMs),
         this, &EnumerateModulesModel::ScanNow);
   }
diff --git a/chrome/browser/extensions/extension_updater.cc b/chrome/browser/extensions/extension_updater.cc
index bede960..2bd4e6b 100644
--- a/chrome/browser/extensions/extension_updater.cc
+++ b/chrome/browser/extensions/extension_updater.cc
@@ -942,7 +942,7 @@ void ExtensionUpdater::ScheduleNextCheck(const TimeDelta& target_delay) {
   prefs_->SetInt64(kNextExtensionsUpdateCheck, next.ToInternalValue());
   prefs_->ScheduleSavePersistentPrefs();
 
-  timer_.Start(FROM_HERE, actual_delay, this, &ExtensionUpdater::TimerFired);
+  timer_.Start(actual_delay, this, &ExtensionUpdater::TimerFired);
 }
 
 void ExtensionUpdater::TimerFired() {
diff --git a/chrome/browser/extensions/extension_web_socket_proxy_private_api.cc b/chrome/browser/extensions/extension_web_socket_proxy_private_api.cc
index 9b38568..1eaf24c 100644
--- a/chrome/browser/extensions/extension_web_socket_proxy_private_api.cc
+++ b/chrome/browser/extensions/extension_web_socket_proxy_private_api.cc
@@ -59,7 +59,7 @@ bool WebSocketProxyPrivateGetPassportForTCPFunction::RunImpl() {
 
   if (delay_response) {
     const int kTimeout = 3;
-    timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kTimeout),
+    timer_.Start(base::TimeDelta::FromSeconds(kTimeout),
         this, &WebSocketProxyPrivateGetPassportForTCPFunction::Finalize);
   } else {
     Finalize();
diff --git a/chrome/browser/extensions/extensions_quota_service.cc b/chrome/browser/extensions/extensions_quota_service.cc
index 6c441b1..0c41656 100644
--- a/chrome/browser/extensions/extensions_quota_service.cc
+++ b/chrome/browser/extensions/extensions_quota_service.cc
@@ -18,8 +18,7 @@ const char QuotaLimitHeuristic::kGenericOverQuotaError[] =
 
 ExtensionsQuotaService::ExtensionsQuotaService() {
   if (MessageLoop::current() != NULL) {  // Null in unit tests.
-    purge_timer_.Start(FROM_HERE,
-                       base::TimeDelta::FromDays(kPurgeIntervalInDays),
+    purge_timer_.Start(base::TimeDelta::FromDays(kPurgeIntervalInDays),
                        this, &ExtensionsQuotaService::Purge);
   }
 }
diff --git a/chrome/browser/history/top_sites.cc b/chrome/browser/history/top_sites.cc
index 25e333b..d6bb0dc 100644
--- a/chrome/browser/history/top_sites.cc
+++ b/chrome/browser/history/top_sites.cc
@@ -946,7 +946,7 @@ void TopSites::RestartQueryForTopSitesTimer(base::TimeDelta delta) {
 
   timer_start_time_ = base::TimeTicks::Now();
   timer_.Stop();
-  timer_.Start(FROM_HERE, delta, this, &TopSites::TimerFired);
+  timer_.Start(delta, this, &TopSites::TimerFired);
 }
 
 void TopSites::OnHistoryMigrationWrittenToDisk(TopSitesBackend::Handle handle) {
diff --git a/chrome/browser/instant/instant_controller.cc b/chrome/browser/instant/instant_controller.cc
index f24cf5e..deac866 100644
--- a/chrome/browser/instant/instant_controller.cc
+++ b/chrome/browser/instant/instant_controller.cc
@@ -520,7 +520,7 @@ void InstantController::InstantStatusChanged(InstantLoader* loader) {
     // Status isn't ok, start a timer that when fires shows the result. This
     // delays showing 403 pages and the like.
     show_timer_.Stop();
-    show_timer_.Start(FROM_HERE,
+    show_timer_.Start(
         base::TimeDelta::FromMilliseconds(kShowDelayMS),
         this, &InstantController::ShowTimerFired);
     UpdateDisplayableLoader();
@@ -669,8 +669,7 @@ void InstantController::ScheduleUpdate(const GURL& url) {
   scheduled_url_ = url;
 
   update_timer_.Stop();
-  update_timer_.Start(FROM_HERE,
-                      base::TimeDelta::FromMilliseconds(kUpdateDelayMS),
+  update_timer_.Start(base::TimeDelta::FromMilliseconds(kUpdateDelayMS),
                       this, &InstantController::ProcessScheduledUpdate);
 }
 
@@ -725,7 +724,7 @@ void InstantController::UpdateLoader(const TemplateURL* template_url,
                          user_text, verbatim, suggested_text)) {
     show_timer_.Stop();
     if (!new_loader->http_status_ok()) {
-      show_timer_.Start(FROM_HERE,
+      show_timer_.Start(
           base::TimeDelta::FromMilliseconds(kShowDelayMS),
           this, &InstantController::ShowTimerFired);
     }
diff --git a/chrome/browser/instant/instant_loader.cc b/chrome/browser/instant/instant_loader.cc
index 0ad7f8b..1a71176 100644
--- a/chrome/browser/instant/instant_loader.cc
+++ b/chrome/browser/instant/instant_loader.cc
@@ -684,7 +684,7 @@ void InstantLoader::SetOmniboxBounds(const gfx::Rect& bounds) {
     if (omnibox_bounds_.height() > last_omnibox_bounds_.height()) {
       SendBoundsToPage(false);
     } else {
-      update_bounds_timer_.Start(FROM_HERE,
+      update_bounds_timer_.Start(
           base::TimeDelta::FromMilliseconds(kUpdateBoundsDelayMS),
           this, &InstantLoader::ProcessBoundsChange);
     }
diff --git a/chrome/browser/internal_auth.cc b/chrome/browser/internal_auth.cc
index 76e32b4..ac8d91f 100644
--- a/chrome/browser/internal_auth.cc
+++ b/chrome/browser/internal_auth.cc
@@ -343,7 +343,7 @@ class InternalAuthGenerationService : public base::ThreadChecker {
   void GenerateNewKey() {
     DCHECK(CalledOnValidThread());
     if (!timer_.IsRunning()) {
-      timer_.Start(FROM_HERE,
+      timer_.Start(
           base::TimeDelta::FromMicroseconds(
               kKeyRegenerationSoftTicks * kTickUs),
           this,
diff --git a/chrome/browser/net/predictor_unittest.cc b/chrome/browser/net/predictor_unittest.cc
index 23b4ca0..70a39c9 100644
--- a/chrome/browser/net/predictor_unittest.cc
+++ b/chrome/browser/net/predictor_unittest.cc
@@ -85,7 +85,7 @@ class PredictorTest : public testing::Test {
 
   void WaitForResolution(Predictor* predictor, const UrlList& hosts) {
     HelperTimer* timer = new HelperTimer();
-    timer->Start(FROM_HERE, TimeDelta::FromMilliseconds(100),
+    timer->Start(TimeDelta::FromMilliseconds(100),
                  new WaitForResolutionHelper(predictor, hosts, timer),
                  &WaitForResolutionHelper::Run);
     MessageLoop::current()->Run();
diff --git a/chrome/browser/notifications/notification_ui_manager.cc b/chrome/browser/notifications/notification_ui_manager.cc
index f4ed3d8..a2fdf24 100644
--- a/chrome/browser/notifications/notification_ui_manager.cc
+++ b/chrome/browser/notifications/notification_ui_manager.cc
@@ -164,7 +164,7 @@ void NotificationUIManager::CheckUserState() {
     ShowNotifications();
   } else if (!user_state_check_timer_.IsRunning()) {
     // Start a timer to detect the moment at which the user becomes active.
-    user_state_check_timer_.Start(FROM_HERE,
+    user_state_check_timer_.Start(
         base::TimeDelta::FromSeconds(kUserStatePollingIntervalSeconds), this,
         &NotificationUIManager::CheckUserState);
   }
diff --git a/chrome/browser/oom_priority_manager.cc b/chrome/browser/oom_priority_manager.cc
index d3db051..fcd7a91 100644
--- a/chrome/browser/oom_priority_manager.cc
+++ b/chrome/browser/oom_priority_manager.cc
@@ -48,8 +48,7 @@ OomPriorityManager::~OomPriorityManager() {
 
 void OomPriorityManager::StartTimer() {
   if (!timer_.IsRunning()) {
-    timer_.Start(FROM_HERE,
-                 TimeDelta::FromSeconds(ADJUSTMENT_INTERVAL_SECONDS),
+    timer_.Start(TimeDelta::FromSeconds(ADJUSTMENT_INTERVAL_SECONDS),
                  this,
                  &OomPriorityManager::AdjustOomPriorities);
   }
diff --git a/chrome/browser/policy/delayed_work_scheduler.cc b/chrome/browser/policy/delayed_work_scheduler.cc
index 35fd049..b751cb6 100644
--- a/chrome/browser/policy/delayed_work_scheduler.cc
+++ b/chrome/browser/policy/delayed_work_scheduler.cc
@@ -30,8 +30,7 @@ void DelayedWorkScheduler::PostDelayedWork(
     const base::Closure& callback,
     int64 delay) {
   callback_ = callback;
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromMilliseconds(delay),
+  timer_.Start(base::TimeDelta::FromMilliseconds(delay),
                this,
                &DelayedWorkScheduler::DoDelayedWork);
 }
diff --git a/chrome/browser/prerender/prerender_manager.cc b/chrome/browser/prerender/prerender_manager.cc
index 6c53557..b33d31f 100644
--- a/chrome/browser/prerender/prerender_manager.cc
+++ b/chrome/browser/prerender/prerender_manager.cc
@@ -180,7 +180,7 @@ class PrerenderManager::MostVisitedSites : public NotificationObserver {
     if (profile && profile->GetTopSitesWithoutCreating()) {
       Init();
     } else {
-      timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(3), this,
+      timer_.Start(base::TimeDelta::FromSeconds(3), this,
                    &prerender::PrerenderManager::MostVisitedSites::Init);
     }
   }
@@ -795,7 +795,7 @@ void PrerenderManager::StartSchedulingPeriodicCleanups() {
   DCHECK(CalledOnValidThread());
   if (repeating_timer_.IsRunning())
     return;
-  repeating_timer_.Start(FROM_HERE,
+  repeating_timer_.Start(
       base::TimeDelta::FromMilliseconds(kPeriodicCleanupIntervalMs),
       this,
       &PrerenderManager::PeriodicCleanup);
diff --git a/chrome/browser/printing/print_job.cc b/chrome/browser/printing/print_job.cc
index 0b180a2..c1e61e3 100644
--- a/chrome/browser/printing/print_job.cc
+++ b/chrome/browser/printing/print_job.cc
@@ -183,7 +183,7 @@ bool PrintJob::FlushJob(int timeout_ms) {
   // wrong.
   base::OneShotTimer<MessageLoop> quit_task;
   if (timeout_ms) {
-    quit_task.Start(FROM_HERE, TimeDelta::FromMilliseconds(timeout_ms),
+    quit_task.Start(TimeDelta::FromMilliseconds(timeout_ms),
                     MessageLoop::current(), &MessageLoop::Quit);
   }
 
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index 015b1f3..2fbd080 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -481,8 +481,7 @@ bool PrintViewManager::RunInnerMessageLoop() {
   // memory-bound.
   static const int kPrinterSettingsTimeout = 60000;
   base::OneShotTimer<MessageLoop> quit_timer;
-  quit_timer.Start(FROM_HERE,
-                   TimeDelta::FromMilliseconds(kPrinterSettingsTimeout),
+  quit_timer.Start(TimeDelta::FromMilliseconds(kPrinterSettingsTimeout),
                    MessageLoop::current(), &MessageLoop::Quit);
 
   inside_inner_message_loop_ = true;
diff --git a/chrome/browser/process_singleton_linux.cc b/chrome/browser/process_singleton_linux.cc
index f4808e6..9055e59 100644
--- a/chrome/browser/process_singleton_linux.cc
+++ b/chrome/browser/process_singleton_linux.cc
@@ -470,7 +470,7 @@ class ProcessSingleton::LinuxWatcher
       // Wait for reads.
       MessageLoopForIO::current()->WatchFileDescriptor(
           fd, true, MessageLoopForIO::WATCH_READ, &fd_reader_, this);
-      timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kTimeoutInSeconds),
+      timer_.Start(base::TimeDelta::FromSeconds(kTimeoutInSeconds),
                    this, &SocketReader::OnTimerExpiry);
     }
 
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 0b3acf5..1ddbd12 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -310,7 +310,7 @@ ProfileImpl::ProfileImpl(const FilePath& path,
   DCHECK(!path.empty()) << "Using an empty path will attempt to write " <<
                             "profile files to the root directory!";
 
-  create_session_service_timer_.Start(FROM_HERE,
+  create_session_service_timer_.Start(
       TimeDelta::FromMilliseconds(kCreateSessionServiceDelayMS), this,
       &ProfileImpl::EnsureSessionServiceCreated);
 
diff --git a/chrome/browser/renderer_host/safe_browsing_resource_handler.cc b/chrome/browser/renderer_host/safe_browsing_resource_handler.cc
index 97a2bb9..043b6e0 100644
--- a/chrome/browser/renderer_host/safe_browsing_resource_handler.cc
+++ b/chrome/browser/renderer_host/safe_browsing_resource_handler.cc
@@ -282,8 +282,7 @@ bool SafeBrowsingResourceHandler::CheckUrl(const GURL& url) {
   url_check_start_time_ = base::TimeTicks::Now();
 
   // Start a timer to abort the check if it takes too long.
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromMilliseconds(kCheckUrlTimeoutMs),
+  timer_.Start(base::TimeDelta::FromMilliseconds(kCheckUrlTimeoutMs),
                this, &SafeBrowsingResourceHandler::OnCheckUrlTimeout);
 
   return false;
diff --git a/chrome/browser/safe_browsing/protocol_manager.cc b/chrome/browser/safe_browsing/protocol_manager.cc
index f412b04..78c1bab 100644
--- a/chrome/browser/safe_browsing/protocol_manager.cc
+++ b/chrome/browser/safe_browsing/protocol_manager.cc
@@ -502,8 +502,8 @@ void SafeBrowsingProtocolManager::ForceScheduleNextUpdate(
   DCHECK_GE(next_update_msec, 0);
   // Unschedule any current timer.
   update_timer_.Stop();
-  update_timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(next_update_msec),
-                      this, &SafeBrowsingProtocolManager::GetNextUpdate);
+  update_timer_.Start(TimeDelta::FromMilliseconds(next_update_msec), this,
+                      &SafeBrowsingProtocolManager::GetNextUpdate);
 }
 
 // According to section 5 of the SafeBrowsing protocol specification, we must
@@ -620,8 +620,7 @@ void SafeBrowsingProtocolManager::OnGetChunksComplete(
   request_->Start();
 
   // Begin the update request timeout.
-  update_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(kSbMaxUpdateWaitSec),
-                      this,
+  update_timer_.Start(TimeDelta::FromSeconds(kSbMaxUpdateWaitSec), this,
                       &SafeBrowsingProtocolManager::UpdateResponseTimeout);
 }
 
diff --git a/chrome/browser/sessions/session_restore.cc b/chrome/browser/sessions/session_restore.cc
index ddf793d..2cbe188 100644
--- a/chrome/browser/sessions/session_restore.cc
+++ b/chrome/browser/sessions/session_restore.cc
@@ -222,7 +222,7 @@ void TabLoader::LoadNextTab() {
     force_load_timer_.Stop();
     // Each time we load a tab we also set a timer to force us to start loading
     // the next tab if this one doesn't load quickly enough.
-    force_load_timer_.Start(FROM_HERE,
+    force_load_timer_.Start(
         base::TimeDelta::FromMilliseconds(force_load_delay_),
         this, &TabLoader::ForceLoadTimerFired);
   }
diff --git a/chrome/browser/spellchecker/spellcheck_host_metrics.cc b/chrome/browser/spellchecker/spellcheck_host_metrics.cc
index 1ad9ba4..87021cb 100644
--- a/chrome/browser/spellchecker/spellcheck_host_metrics.cc
+++ b/chrome/browser/spellchecker/spellcheck_host_metrics.cc
@@ -14,7 +14,7 @@ SpellCheckHostMetrics::SpellCheckHostMetrics()
       replaced_word_count_(0),
       start_time_(base::Time::Now()) {
   const uint64 kHistogramTimerDurationInMinutes = 30;
-  recording_timer_.Start(FROM_HERE,
+  recording_timer_.Start(
       base::TimeDelta::FromMinutes(kHistogramTimerDurationInMinutes),
       this, &SpellCheckHostMetrics::OnHistogramTimerExpired);
   RecordWordCounts();
diff --git a/chrome/browser/sync/engine/sync_scheduler.cc b/chrome/browser/sync/engine/sync_scheduler.cc
index d7d68ab..3782aff 100644
--- a/chrome/browser/sync/engine/sync_scheduler.cc
+++ b/chrome/browser/sync/engine/sync_scheduler.cc
@@ -901,13 +901,13 @@ void SyncScheduler::AdjustPolling(const SyncSessionJob* old_job) {
 
   // Adjust poll rate.
   poll_timer_.Stop();
-  poll_timer_.Start(FROM_HERE, poll, this, &SyncScheduler::PollTimerCallback);
+  poll_timer_.Start(poll, this, &SyncScheduler::PollTimerCallback);
 }
 
 void SyncScheduler::RestartWaiting() {
   CHECK(wait_interval_.get());
   wait_interval_->timer.Stop();
-  wait_interval_->timer.Start(FROM_HERE, wait_interval_->length,
+  wait_interval_->timer.Start(wait_interval_->length,
                               this, &SyncScheduler::DoCanaryJob);
 }
 
@@ -1077,7 +1077,7 @@ void SyncScheduler::OnSilencedUntil(const base::TimeTicks& silenced_until) {
   DCHECK_EQ(MessageLoop::current(), sync_loop_);
   wait_interval_.reset(new WaitInterval(WaitInterval::THROTTLED,
                                         silenced_until - TimeTicks::Now()));
-  wait_interval_->timer.Start(FROM_HERE, wait_interval_->length, this,
+  wait_interval_->timer.Start(wait_interval_->length, this,
       &SyncScheduler::Unthrottle);
 }
 
diff --git a/chrome/browser/sync/glue/database_model_worker_unittest.cc b/chrome/browser/sync/glue/database_model_worker_unittest.cc
index 150dd31..40fc978 100644
--- a/chrome/browser/sync/glue/database_model_worker_unittest.cc
+++ b/chrome/browser/sync/glue/database_model_worker_unittest.cc
@@ -38,7 +38,7 @@ class DatabaseModelWorkerTest : public testing::Test {
   void ScheduleWork() {
     scoped_ptr<Callback0::Type> c(NewCallback(this,
         &DatabaseModelWorkerTest::DoWork));
-    timer()->Start(FROM_HERE, TimeDelta::FromSeconds(10),
+    timer()->Start(TimeDelta::FromSeconds(10),
                    this, &DatabaseModelWorkerTest::Timeout);
     worker()->DoWorkAndWaitUntilDone(c.get());
   }
diff --git a/chrome/browser/sync/glue/sync_backend_host.cc b/chrome/browser/sync/glue/sync_backend_host.cc
index f8a1849..486ca47 100644
--- a/chrome/browser/sync/glue/sync_backend_host.cc
+++ b/chrome/browser/sync/glue/sync_backend_host.cc
@@ -896,7 +896,7 @@ void SyncBackendHost::Core::HandleAuthErrorEventOnFrontendLoop(
 }
 
 void SyncBackendHost::Core::StartSavingChanges() {
-  save_changes_timer_.Start(FROM_HERE,
+  save_changes_timer_.Start(
       base::TimeDelta::FromSeconds(kSaveChangesIntervalSeconds),
       this, &Core::SaveChanges);
 }
diff --git a/chrome/browser/sync/notifier/registration_manager.cc b/chrome/browser/sync/notifier/registration_manager.cc
index b505729..0308dbe 100644
--- a/chrome/browser/sync/notifier/registration_manager.cc
+++ b/chrome/browser/sync/notifier/registration_manager.cc
@@ -192,7 +192,7 @@ void RegistrationManager::TryRegisterType(syncable::ModelType model_type,
             << syncable::ModelTypeToString(model_type) << " in "
             << delay.InMilliseconds() << " ms";
     status->registration_timer.Stop();
-    status->registration_timer.Start(FROM_HERE,
+    status->registration_timer.Start(
         delay, status, &RegistrationManager::RegistrationStatus::DoRegister);
     double next_delay_seconds =
         CalculateBackoff(static_cast<double>(status->next_delay.InSeconds()),
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 80c6009..4d23502 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -482,7 +482,7 @@ void ProfileSyncService::Shutdown(bool sync_disabled) {
 
 void ProfileSyncService::ClearServerData() {
   clear_server_data_state_ = CLEAR_CLEARING;
-  clear_server_data_timer_.Start(FROM_HERE,
+  clear_server_data_timer_.Start(
       base::TimeDelta::FromSeconds(kSyncClearDataTimeoutInSeconds), this,
       &ProfileSyncService::OnClearServerDataTimeout);
   backend_->RequestClearServerData();
diff --git a/chrome/browser/ui/fullscreen_exit_bubble.cc b/chrome/browser/ui/fullscreen_exit_bubble.cc
index be3db4e..8c42fa1 100644
--- a/chrome/browser/ui/fullscreen_exit_bubble.cc
+++ b/chrome/browser/ui/fullscreen_exit_bubble.cc
@@ -26,12 +26,11 @@ FullscreenExitBubble::~FullscreenExitBubble() {
 
 void FullscreenExitBubble::StartWatchingMouse() {
   // Start the initial delay timer and begin watching the mouse.
-  initial_delay_.Start(FROM_HERE,
-                       base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
+  initial_delay_.Start(base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
                        &FullscreenExitBubble::CheckMousePosition);
   gfx::Point cursor_pos = GetCursorScreenPoint();
   last_mouse_pos_ = cursor_pos;
-  mouse_position_checker_.Start(FROM_HERE,
+  mouse_position_checker_.Start(
       base::TimeDelta::FromMilliseconds(1000 / kPositionCheckHz), this,
       &FullscreenExitBubble::CheckMousePosition);
 }
@@ -63,8 +62,7 @@ void FullscreenExitBubble::CheckMousePosition() {
   if (cursor_pos != last_mouse_pos_) {
     // The mouse moved; reset the idle timer.
     idle_timeout_.Stop();  // If the timer isn't running, this is a no-op.
-    idle_timeout_.Start(FROM_HERE,
-                        base::TimeDelta::FromMilliseconds(kIdleTimeMs), this,
+    idle_timeout_.Start(base::TimeDelta::FromMilliseconds(kIdleTimeMs), this,
                         &FullscreenExitBubble::CheckMousePosition);
   }
   last_mouse_pos_ = cursor_pos;
diff --git a/chrome/browser/ui/gtk/browser_window_gtk.cc b/chrome/browser/ui/gtk/browser_window_gtk.cc
index 94f6066..4c52e9f 100644
--- a/chrome/browser/ui/gtk/browser_window_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_window_gtk.cc
@@ -792,7 +792,7 @@ void BrowserWindowGtk::UpdateLoadingAnimations(bool should_animate) {
   if (should_animate) {
     if (!loading_animation_timer_.IsRunning()) {
       // Loads are happening, and the timer isn't running, so start it.
-      loading_animation_timer_.Start(FROM_HERE,
+      loading_animation_timer_.Start(
           base::TimeDelta::FromMilliseconds(kLoadingAnimationFrameTimeMs), this,
           &BrowserWindowGtk::LoadingAnimationCallback);
     }
@@ -1419,8 +1419,8 @@ gboolean BrowserWindowGtk::OnConfigure(GtkWidget* widget,
   // (In that case Stop() is a no-op.)
   if (!debounce_timer_disabled_) {
     window_configure_debounce_timer_.Stop();
-    window_configure_debounce_timer_.Start(FROM_HERE,
-        base::TimeDelta::FromMilliseconds(kDebounceTimeoutMilliseconds), this,
+    window_configure_debounce_timer_.Start(base::TimeDelta::FromMilliseconds(
+        kDebounceTimeoutMilliseconds), this,
         &BrowserWindowGtk::OnDebouncedBoundsChanged);
   }
 
diff --git a/chrome/browser/ui/gtk/download/download_item_gtk.cc b/chrome/browser/ui/gtk/download/download_item_gtk.cc
index 5f9218e..5766738 100644
--- a/chrome/browser/ui/gtk/download/download_item_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_item_gtk.cc
@@ -424,7 +424,7 @@ void DownloadItemGtk::UpdateDownloadProgress() {
 void DownloadItemGtk::StartDownloadProgress() {
   if (progress_timer_.IsRunning())
     return;
-  progress_timer_.Start(FROM_HERE,
+  progress_timer_.Start(
       base::TimeDelta::FromMilliseconds(download_util::kProgressRateMs), this,
       &DownloadItemGtk::UpdateDownloadProgress);
 }
diff --git a/chrome/browser/ui/gtk/reload_button_gtk.cc b/chrome/browser/ui/gtk/reload_button_gtk.cc
index b945934..d6e2501 100644
--- a/chrome/browser/ui/gtk/reload_button_gtk.cc
+++ b/chrome/browser/ui/gtk/reload_button_gtk.cc
@@ -119,7 +119,7 @@ void ReloadButtonGtk::ChangeMode(Mode mode, bool force) {
     // Go ahead and change to reload after a bit, which allows repeated reloads
     // without moving the mouse.
     if (!stop_to_reload_timer_.IsRunning()) {
-      stop_to_reload_timer_.Start(FROM_HERE, stop_to_reload_timer_delay_, this,
+      stop_to_reload_timer_.Start(stop_to_reload_timer_delay_, this,
                                   &ReloadButtonGtk::OnStopToReloadTimer);
     }
   }
@@ -185,7 +185,7 @@ void ReloadButtonGtk::OnClicked(GtkWidget* /* sender */) {
     // here as the browser will do that when it actually starts loading (which
     // may happen synchronously, thus the need to do this before telling the
     // browser to execute the reload command).
-    double_click_timer_.Start(FROM_HERE, double_click_timer_delay_, this,
+    double_click_timer_.Start(double_click_timer_delay_, this,
                               &ReloadButtonGtk::OnDoubleClickTimer);
 
     if (browser_)
diff --git a/chrome/browser/ui/gtk/status_bubble_gtk.cc b/chrome/browser/ui/gtk/status_bubble_gtk.cc
index 6640a8b..df31d84 100644
--- a/chrome/browser/ui/gtk/status_bubble_gtk.cc
+++ b/chrome/browser/ui/gtk/status_bubble_gtk.cc
@@ -99,8 +99,7 @@ void StatusBubbleGtk::SetStatusTextToURL() {
   int desired_width = parent->allocation.width;
   if (!expanded()) {
     expand_timer_.Stop();
-    expand_timer_.Start(FROM_HERE,
-                        base::TimeDelta::FromMilliseconds(kExpandHoverDelay),
+    expand_timer_.Start(base::TimeDelta::FromMilliseconds(kExpandHoverDelay),
                         this, &StatusBubbleGtk::ExpandURL);
     // When not expanded, we limit the size to one third the browser's
     // width.
@@ -134,7 +133,7 @@ void StatusBubbleGtk::Hide() {
 void StatusBubbleGtk::SetStatusTextTo(const std::string& status_utf8) {
   if (status_utf8.empty()) {
     hide_timer_.Stop();
-    hide_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kHideDelay),
+    hide_timer_.Start(base::TimeDelta::FromMilliseconds(kHideDelay),
                       this, &StatusBubbleGtk::Hide);
   } else {
     gtk_label_set_text(GTK_LABEL(label_.get()), status_utf8.c_str());
diff --git a/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc b/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
index ac08691..73dd699 100644
--- a/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
+++ b/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
@@ -245,7 +245,7 @@ void DraggedTabControllerGtk::ContinueDragging() {
   }
 
   if (!target_tabstrip) {
-    bring_to_front_timer_.Start(FROM_HERE,
+    bring_to_front_timer_.Start(
         base::TimeDelta::FromMilliseconds(kBringToFrontDelay), this,
         &DraggedTabControllerGtk::BringWindowUnderMouseToFront);
   }
diff --git a/chrome/browser/ui/panels/auto_hiding_desktop_bar_win.cc b/chrome/browser/ui/panels/auto_hiding_desktop_bar_win.cc
index b10aadd..944c6b1 100644
--- a/chrome/browser/ui/panels/auto_hiding_desktop_bar_win.cc
+++ b/chrome/browser/ui/panels/auto_hiding_desktop_bar_win.cc
@@ -43,7 +43,7 @@ void AutoHidingDesktopBarWin::UpdateWorkArea(const gfx::Rect& work_area) {
   // called due to the work area change.
   if (taskbar_exists) {
     if (!polling_timer_.IsRunning()) {
-      polling_timer_.Start(FROM_HERE,
+      polling_timer_.Start(
           base::TimeDelta::FromMilliseconds(kCheckTaskbarPollingIntervalMs),
           this,
           &AutoHidingDesktopBarWin::OnPollingTimer);
diff --git a/chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.cc b/chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.cc
index 216473d..88e8194 100644
--- a/chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.cc
+++ b/chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.cc
@@ -478,8 +478,7 @@ void CompactLocationBarViewHost::StartAutoHideTimer() {
     // Restart the timer.
     auto_hide_timer_->Reset();
   } else {
-    auto_hide_timer_->Start(FROM_HERE,
-                            base::TimeDelta::FromSeconds(kHideTimeoutInSeconds),
+    auto_hide_timer_->Start(base::TimeDelta::FromSeconds(kHideTimeoutInSeconds),
                             this, &CompactLocationBarViewHost::HideCallback);
   }
 }
diff --git a/chrome/browser/ui/views/download/download_item_view.cc b/chrome/browser/ui/views/download/download_item_view.cc
index 58c42d3..836504a 100644
--- a/chrome/browser/ui/views/download/download_item_view.cc
+++ b/chrome/browser/ui/views/download/download_item_view.cc
@@ -315,7 +315,7 @@ void DownloadItemView::UpdateDownloadProgress() {
 void DownloadItemView::StartDownloadProgress() {
   if (progress_timer_.IsRunning())
     return;
-  progress_timer_.Start(FROM_HERE,
+  progress_timer_.Start(
       base::TimeDelta::FromMilliseconds(download_util::kProgressRateMs), this,
       &DownloadItemView::UpdateDownloadProgress);
 }
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index 7f586b6..4020129 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -759,7 +759,7 @@ void BrowserView::UpdateLoadingAnimations(bool should_animate) {
     if (!loading_animation_timer_.IsRunning()) {
       // Loads are happening, and the timer isn't running, so start it.
       last_animation_time_ = base::TimeTicks::Now();
-      loading_animation_timer_.Start(FROM_HERE,
+      loading_animation_timer_.Start(
           TimeDelta::FromMilliseconds(kLoadingAnimationFrameTimeMs), this,
           &BrowserView::LoadingAnimationCallback);
     }
diff --git a/chrome/browser/ui/views/reload_button.cc b/chrome/browser/ui/views/reload_button.cc
index db95490..0670d63 100644
--- a/chrome/browser/ui/views/reload_button.cc
+++ b/chrome/browser/ui/views/reload_button.cc
@@ -60,7 +60,7 @@ void ReloadButton::ChangeMode(Mode mode, bool force) {
     // Go ahead and change to reload after a bit, which allows repeated reloads
     // without moving the mouse.
     if (!stop_to_reload_timer_.IsRunning()) {
-      stop_to_reload_timer_.Start(FROM_HERE, stop_to_reload_timer_delay_, this,
+      stop_to_reload_timer_.Start(stop_to_reload_timer_delay_, this,
                                   &ReloadButton::OnStopToReloadTimer);
     }
   }
@@ -106,7 +106,7 @@ void ReloadButton::ButtonPressed(views::Button* /* button */,
     // here as the browser will do that when it actually starts loading (which
     // may happen synchronously, thus the need to do this before telling the
     // browser to execute the reload command).
-    double_click_timer_.Start(FROM_HERE, double_click_timer_delay_, this,
+    double_click_timer_.Start(double_click_timer_delay_, this,
                               &ReloadButton::OnDoubleClickTimer);
 
     if (browser_)
diff --git a/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc b/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
index ab91362..0c2f2f3 100644
--- a/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
+++ b/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
@@ -385,8 +385,8 @@ void TabContentsViewViews::OnNativeTabContentsViewMouseMove(bool motion) {
 
 void TabContentsViewViews::OnNativeTabContentsViewDraggingEnded() {
   if (close_tab_after_drag_ends_) {
-    close_tab_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(0),
-                           this, &TabContentsViewViews::CloseTab);
+    close_tab_timer_.Start(base::TimeDelta::FromMilliseconds(0), this,
+                           &TabContentsViewViews::CloseTab);
   }
   tab_contents_->SystemDragEnded();
 }
diff --git a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
index eab3310..685e0d5 100644
--- a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
+++ b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
@@ -667,7 +667,7 @@ void DraggedTabController::ContinueDragging() {
       Attach(target_tabstrip, screen_point);
   }
   if (!target_tabstrip) {
-    bring_to_front_timer_.Start(FROM_HERE,
+    bring_to_front_timer_.Start(
         base::TimeDelta::FromMilliseconds(kBringToFrontDelay), this,
         &DraggedTabController::BringWindowUnderMouseToFront);
   }
diff --git a/chrome/browser/ui/webui/chromeos/mobile_setup_ui.cc b/chrome/browser/ui/webui/chromeos/mobile_setup_ui.cc
index 2f088a1..ef94964 100644
--- a/chrome/browser/ui/webui/chromeos/mobile_setup_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/mobile_setup_ui.cc
@@ -1127,7 +1127,6 @@ void MobileSetupHandler::ChangeState(chromeos::CellularNetwork* network,
       // limbo by the network library.
       if (!reconnect_timer_.IsRunning()) {
         reconnect_timer_.Start(
-            FROM_HERE,
             base::TimeDelta::FromMilliseconds(kReconnectTimerDelayMS),
             this, &MobileSetupHandler::ReconnectTimerFired);
       }
diff --git a/chrome/browser/ui/webui/flash_ui.cc b/chrome/browser/ui/webui/flash_ui.cc
index f69bc77..a973bfa 100644
--- a/chrome/browser/ui/webui/flash_ui.cc
+++ b/chrome/browser/ui/webui/flash_ui.cc
@@ -133,7 +133,7 @@ FlashDOMHandler::FlashDOMHandler()
 
   // And lastly, we fire off a timer to make sure we never get stuck at the
   // "Loading..." message.
-  timeout_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeout),
+  timeout_.Start(base::TimeDelta::FromMilliseconds(kTimeout),
                  this, &FlashDOMHandler::OnTimeout);
 }
 
diff --git a/chrome/browser/ui/webui/ntp/new_tab_ui.cc b/chrome/browser/ui/webui/ntp/new_tab_ui.cc
index 2ad0c41..b0ce383 100644
--- a/chrome/browser/ui/webui/ntp/new_tab_ui.cc
+++ b/chrome/browser/ui/webui/ntp/new_tab_ui.cc
@@ -278,7 +278,7 @@ void NewTabUI::PaintTimeout() {
     // Not enough quiet time has elapsed.
     // Some more paints must've occurred since we set the timeout.
     // Wait some more.
-    timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeoutMs), this,
+    timer_.Start(base::TimeDelta::FromMilliseconds(kTimeoutMs), this,
                  &NewTabUI::PaintTimeout);
   }
 }
@@ -288,7 +288,7 @@ void NewTabUI::StartTimingPaint(RenderViewHost* render_view_host) {
   last_paint_ = start_;
   registrar_.Add(this, content::NOTIFICATION_RENDER_WIDGET_HOST_DID_PAINT,
       Source<RenderWidgetHost>(render_view_host));
-  timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeoutMs), this,
+  timer_.Start(base::TimeDelta::FromMilliseconds(kTimeoutMs), this,
                &NewTabUI::PaintTimeout);
 
 }
diff --git a/chrome/browser/upgrade_detector_impl.cc b/chrome/browser/upgrade_detector_impl.cc
index 34b58c1..d6fa033 100644
--- a/chrome/browser/upgrade_detector_impl.cc
+++ b/chrome/browser/upgrade_detector_impl.cc
@@ -159,7 +159,7 @@ UpgradeDetectorImpl::UpgradeDetectorImpl()
   if (keystone_glue::KeystoneEnabled())
 #endif
   {
-    detect_upgrade_timer_.Start(FROM_HERE,
+    detect_upgrade_timer_.Start(
         base::TimeDelta::FromMilliseconds(GetCheckForUpgradeEveryMs()),
         this, &UpgradeDetectorImpl::CheckForUpgrade);
   }
@@ -195,7 +195,7 @@ void UpgradeDetectorImpl::UpgradeDetected() {
   // and stop the timer.
   int cycle_time = CmdLineInterval().empty() ? kNotifyCycleTimeMs :
                                                kNotifyCycleTimeForTestingMs;
-  upgrade_notification_timer_.Start(FROM_HERE,
+  upgrade_notification_timer_.Start(
       base::TimeDelta::FromMilliseconds(cycle_time),
       this, &UpgradeDetectorImpl::NotifyOnUpgrade);
 }
diff --git a/chrome/browser/visitedlink/visitedlink_event_listener.cc b/chrome/browser/visitedlink/visitedlink_event_listener.cc
index 0741bc8..478faac 100644
--- a/chrome/browser/visitedlink/visitedlink_event_listener.cc
+++ b/chrome/browser/visitedlink/visitedlink_event_listener.cc
@@ -134,7 +134,7 @@ void VisitedLinkEventListener::Add(VisitedLinkMaster::Fingerprint fingerprint) {
   pending_visited_links_.push_back(fingerprint);
 
   if (!coalesce_timer_.IsRunning()) {
-    coalesce_timer_.Start(FROM_HERE,
+    coalesce_timer_.Start(
         TimeDelta::FromMilliseconds(kCommitIntervalMs), this,
         &VisitedLinkEventListener::CommitVisitedLinks);
   }