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

views/controls/throbber.cc

Index: views/controls/throbber.cc
diff --git a/views/controls/throbber.cc b/views/controls/throbber.cc
index 34f20a8713f020f8b4378608d21999db83e8c51a..caece5e8b3063ca5d21eed87b52a9490285007ac 100644
--- a/views/controls/throbber.cc
+++ b/views/controls/throbber.cc
@@ -35,7 +35,7 @@ void Throbber::Start() {
   start_time_ = Time::Now();
 
   timer_.Start(frame_time_ - TimeDelta::FromMilliseconds(10),
-               this, &Throbber::Run);
+               this, &Throbber::Run, FROM_HERE);
 
   running_ = true;
 
@@ -111,7 +111,7 @@ void SmoothedThrobber::Start() {
 
   if (!running_ && !start_timer_.IsRunning()) {
     start_timer_.Start(TimeDelta::FromMilliseconds(start_delay_ms_), this,
-                       &SmoothedThrobber::StartDelayOver);
+                       &SmoothedThrobber::StartDelayOver, FROM_HERE);
   }
 }
 
@@ -125,7 +125,7 @@ void SmoothedThrobber::Stop() {
 
   stop_timer_.Stop();
   stop_timer_.Start(TimeDelta::FromMilliseconds(stop_delay_ms_), this,
-                    &SmoothedThrobber::StopDelayOver);
+                    &SmoothedThrobber::StopDelayOver, FROM_HERE);
 }
 
 void SmoothedThrobber::StopDelayOver() {