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

base/timer_unittest.cc

Index: base/timer_unittest.cc
diff --git a/base/timer_unittest.cc b/base/timer_unittest.cc
index bb0eade8162ce210f4d0e80a8b9636ef6292ad2c..b19c6ddee05c0512e8117c0ffc2e5ca4a95370a0 100644
--- a/base/timer_unittest.cc
+++ b/base/timer_unittest.cc
@@ -20,7 +20,7 @@ class OneShotTimerTester {
   }
   void Start() {
     timer_.Start(TimeDelta::FromMilliseconds(delay_ms_), this,
-                 &OneShotTimerTester::Run);
+                 &OneShotTimerTester::Run, FROM_HERE);
   }
  private:
   void Run() {
@@ -40,7 +40,7 @@ class OneShotSelfDeletingTimerTester {
   }
   void Start() {
     timer_->Start(TimeDelta::FromMilliseconds(10), this,
-                  &OneShotSelfDeletingTimerTester::Run);
+                  &OneShotSelfDeletingTimerTester::Run, FROM_HERE);
   }
  private:
   void Run() {
@@ -60,7 +60,7 @@ class RepeatingTimerTester {
 
   void Start() {
     timer_.Start(TimeDelta::FromMilliseconds(10), this,
-                 &RepeatingTimerTester::Run);
+                 &RepeatingTimerTester::Run, FROM_HERE);
   }
  private:
   void Run() {
@@ -177,7 +177,8 @@ void RunTest_DelayTimer_NoCall(MessageLoop::Type message_loop_type) {
   // If Delay is never called, the timer shouldn't go off.
   DelayTimerTarget target;
   base::DelayTimer<DelayTimerTarget> timer(
-      TimeDelta::FromMilliseconds(1), &target, &DelayTimerTarget::Signal);
+      TimeDelta::FromMilliseconds(1), &target, &DelayTimerTarget::Signal,
+      FROM_HERE);
 
   bool did_run = false;
   OneShotTimerTester tester(&did_run);
@@ -192,7 +193,8 @@ void RunTest_DelayTimer_OneCall(MessageLoop::Type message_loop_type) {
 
   DelayTimerTarget target;
   base::DelayTimer<DelayTimerTarget> timer(
-      TimeDelta::FromMilliseconds(1), &target, &DelayTimerTarget::Signal);
+      TimeDelta::FromMilliseconds(1), &target, &DelayTimerTarget::Signal,
+      FROM_HERE);
   timer.Reset();
 
   bool did_run = false;
@@ -226,7 +228,8 @@ void RunTest_DelayTimer_Reset(MessageLoop::Type message_loop_type) {
   // If Delay is never called, the timer shouldn't go off.
   DelayTimerTarget target;
   base::DelayTimer<DelayTimerTarget> timer(
-      TimeDelta::FromMilliseconds(50), &target, &DelayTimerTarget::Signal);
+      TimeDelta::FromMilliseconds(50), &target, &DelayTimerTarget::Signal,
+      FROM_HERE);
   timer.Reset();
 
   ResetHelper reset_helper(&timer, &target);
@@ -234,7 +237,7 @@ void RunTest_DelayTimer_Reset(MessageLoop::Type message_loop_type) {
   base::OneShotTimer<ResetHelper> timers[20];
   for (size_t i = 0; i < arraysize(timers); ++i) {
     timers[i].Start(TimeDelta::FromMilliseconds(i * 10), &reset_helper,
-                    &ResetHelper::Reset);
+                    &ResetHelper::Reset, FROM_HERE);
   }
 
   bool did_run = false;
@@ -261,7 +264,7 @@ void RunTest_DelayTimer_Deleted(MessageLoop::Type message_loop_type) {
   {
     base::DelayTimer<DelayTimerFatalTarget> timer(
         TimeDelta::FromMilliseconds(50), &target,
-        &DelayTimerFatalTarget::Signal);
+        &DelayTimerFatalTarget::Signal, FROM_HERE);
     timer.Reset();
   }