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

views/controls/menu/menu_controller.cc

Index: views/controls/menu/menu_controller.cc
diff --git a/views/controls/menu/menu_controller.cc b/views/controls/menu/menu_controller.cc
index 185899337311d32812a0205d21ff2f0a61d7a1e0..6909d0b3af014885fe0725b073e8030646b310de 100644
--- a/views/controls/menu/menu_controller.cc
+++ b/views/controls/menu/menu_controller.cc
@@ -169,7 +169,7 @@ class MenuController::MenuScrollTask {
 
     if (!scrolling_timer_.IsRunning()) {
       scrolling_timer_.Start(TimeDelta::FromMilliseconds(kScrollTimerMS), this,
-                             &MenuScrollTask::Run);
+                             &MenuScrollTask::Run, FROM_HERE);
     }
   }
 
@@ -1438,7 +1438,7 @@ void MenuController::BuildMenuItemPath(MenuItemView* item,
 
 void MenuController::StartShowTimer() {
   show_timer_.Start(TimeDelta::FromMilliseconds(kShowDelay), this,
-                    &MenuController::CommitPendingSelection);
+                    &MenuController::CommitPendingSelection, FROM_HERE);
 }
 
 void MenuController::StopShowTimer() {
@@ -1447,7 +1447,7 @@ void MenuController::StopShowTimer() {
 
 void MenuController::StartCancelAllTimer() {
   cancel_all_timer_.Start(TimeDelta::FromMilliseconds(kCloseOnExitTime),
-                          this, &MenuController::CancelAll);
+                          this, &MenuController::CancelAll, FROM_HERE);
 }
 
 void MenuController::StopCancelAllTimer() {