Flip flag for Long Tasks to stable

third_party/WebKit/Source/core/timing/Performance.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 124 matching lines @@
 
 PerformanceTiming* Performance::timing() const {
   if (!m_timing)
     m_timing = PerformanceTiming::create(frame());
 
   return m_timing.get();
 }
 
 void Performance::updateLongTaskInstrumentation() {
   DCHECK(frame());
-  if (!frame()->document() ||
-      !OriginTrials::longTaskObserverEnabled(frame()->document()))
+  if (!frame()->document())
     return;
 
   if (hasObserverFor(PerformanceEntry::LongTask)) {
     UseCounter::count(frame()->localFrameRoot(), UseCounter::LongTaskObserver);
     frame()->performanceMonitor()->subscribe(PerformanceMonitor::kLongTask,
                                              kLongTaskThreshold, this);
   } else {
     frame()->performanceMonitor()->unsubscribeAll(this);
   }
 }
@@ skipping 88 matching lines @@
     HTMLFrameOwnerElement* frameOwner =
         culpritDomWindow->frame()->deprecatedLocalOwner();
     addLongTaskTiming(startTime, endTime, attribution.first,
                       getFrameAttribute(frameOwner, HTMLNames::srcAttr, false),
                       getFrameAttribute(frameOwner, HTMLNames::idAttr, false),
                       getFrameAttribute(frameOwner, HTMLNames::nameAttr, true));
   }
 }
 
 }  // namespace blink