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

webkit/quota/quota_temporary_storage_evictor.cc

Index: webkit/quota/quota_temporary_storage_evictor.cc
diff --git a/webkit/quota/quota_temporary_storage_evictor.cc b/webkit/quota/quota_temporary_storage_evictor.cc
index 8990331d60f98aa93af09c69d1dec64036884b50..eac023c7721217287a1a79576af598bfe0826a7f 100644
--- a/webkit/quota/quota_temporary_storage_evictor.cc
+++ b/webkit/quota/quota_temporary_storage_evictor.cc
@@ -129,14 +129,16 @@ void QuotaTemporaryStorageEvictor::Start() {
   if (histogram_timer_.IsRunning())
     return;
   histogram_timer_.Start(kHistogramReportInterval, this,
-                         &QuotaTemporaryStorageEvictor::ReportPerHourHistogram);
+                         &QuotaTemporaryStorageEvictor::ReportPerHourHistogram,
+                         FROM_HERE);
 }
 
 void QuotaTemporaryStorageEvictor::StartEvictionTimerWithDelay(int delay_ms) {
   if (eviction_timer_.IsRunning())
     return;
   eviction_timer_.Start(base::TimeDelta::FromMilliseconds(delay_ms), this,
-                        &QuotaTemporaryStorageEvictor::ConsiderEviction);
+                        &QuotaTemporaryStorageEvictor::ConsiderEviction,
+                        FROM_HERE);
 }
 
 void QuotaTemporaryStorageEvictor::ConsiderEviction() {