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

content/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
@@ skipping 464 matching lines @@
   if (hung_renderer_timer_.IsRunning() &&
       hung_renderer_timer_.GetCurrentDelay() <= delay &&
       !time_when_considered_hung_.is_null()) {
     return;
   }
 
   // Either the timer is not yet running, or we need to adjust the timer to
   // fire sooner.
   time_when_considered_hung_ = Time::Now() + delay;
   hung_renderer_timer_.Stop();
-  hung_renderer_timer_.Start(delay, this,
+  hung_renderer_timer_.Start(FROM_HERE, delay, this,
       &RenderWidgetHost::CheckRendererIsUnresponsive);
 }
 
 void RenderWidgetHost::RestartHangMonitorTimeout() {
   // Setting to null will cause StartHangMonitorTimeout to restart the timer.
   time_when_considered_hung_ = Time();
   StartHangMonitorTimeout(TimeDelta::FromMilliseconds(kHungRendererDelayMs));
 }
 
 void RenderWidgetHost::StopHangMonitorTimeout() {
@@ skipping 749 matching lines @@
     view_->CreatePluginContainer(deferred_plugin_handles_[i]);
 #endif
   }
 
   deferred_plugin_handles_.clear();
 }
 
 void RenderWidgetHost::StartUserGesture() {
   OnUserGesture();
 }