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

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 718fd2be69e223d8a6b716eab0a59f89000d549c..44b657efbd0e71879df0e0ecf06165f4b1e25c72 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -1807,8 +1807,8 @@ void RenderView::StartNavStateSyncTimerIfNecessary() {
     nav_state_sync_timer_.Stop();
   }
 
-  nav_state_sync_timer_.Start(
-      TimeDelta::FromSeconds(delay), this, &RenderView::SyncNavigationState);
+  nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
+                              &RenderView::SyncNavigationState);
 }
 
 void RenderView::setMouseOverURL(const WebURL& url) {
@@ -2861,7 +2861,8 @@ void RenderView::didUpdateLayout(WebFrame* frame) {
 
   if (check_preferred_size_timer_.IsRunning())
     return;
-  check_preferred_size_timer_.Start(TimeDelta::FromMilliseconds(0), this,
+  check_preferred_size_timer_.Start(FROM_HERE,
+                                    TimeDelta::FromMilliseconds(0), this,
                                     &RenderView::CheckPreferredSize);
 }