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

webkit/plugins/npapi/webplugin_delegate_impl_mac.mm

Index: webkit/plugins/npapi/webplugin_delegate_impl_mac.mm
diff --git a/webkit/plugins/npapi/webplugin_delegate_impl_mac.mm b/webkit/plugins/npapi/webplugin_delegate_impl_mac.mm
index a384e8ade5736150b48f59548cdc3ff42d9007c6..3df1c9df98cd7d43a1ccc9379a1b0d8bb8ae5b7f 100644
--- a/webkit/plugins/npapi/webplugin_delegate_impl_mac.mm
+++ b/webkit/plugins/npapi/webplugin_delegate_impl_mac.mm
@@ -123,7 +123,7 @@ class CarbonIdleEventSource {
     void RegisterDelegate(WebPluginDelegateImpl* delegate) {
       if (delegates_.empty()) {
         timer_.Start(base::TimeDelta::FromMilliseconds(timer_period_),
-                     this, &VisibilityGroup::SendIdleEvents);
+                     this, &VisibilityGroup::SendIdleEvents, FROM_HERE);
       }
       delegates_.insert(delegate);
     }
@@ -1029,7 +1029,7 @@ void WebPluginDelegateImpl::PluginVisibilityChanged() {
     if (plugin_visible && !redraw_timer_->IsRunning() && windowed_handle()) {
       redraw_timer_->Start(
           base::TimeDelta::FromMilliseconds(kCoreAnimationRedrawPeriodMs),
-          this, &WebPluginDelegateImpl::DrawLayerInSurface);
+          this, &WebPluginDelegateImpl::DrawLayerInSurface, FROM_HERE);
     } else if (!plugin_visible) {
       redraw_timer_->Stop();
     }