Support PerformanceResourceTiming for Service Worker Navigation Preload

third_party/WebKit/Source/core/timing/PerformanceBase.h

 /*
  * 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 58 matching lines @@
   virtual PerformanceTiming* timing() const;
 
   virtual void UpdateLongTaskInstrumentation() {}
 
   // Reduce the resolution to 5µs to prevent timing attacks. See:
   // http://www.w3.org/TR/hr-time-2/#privacy-security
   static double ClampTimeResolution(double time_seconds);
 
   static DOMHighResTimeStamp MonotonicTimeToDOMHighResTimeStamp(
       double time_origin,
-      double monotonic_time);
+      double monotonic_time,
+      bool allow_negative_value);
 
   // Translate given platform monotonic time in seconds into a high resolution
   // DOMHighResTimeStamp in milliseconds. The result timestamp is relative to
   // document's time origin and has a time resolution that is safe for
   // exposing to web.
   DOMHighResTimeStamp MonotonicTimeToDOMHighResTimeStamp(double) const;
   DOMHighResTimeStamp now() const;
 
   double TimeOrigin() const { return time_origin_; }
 
@@ skipping 89 matching lines @@
   PerformanceEntryTypeMask observer_filter_options_;
   PerformanceObservers observers_;
   PerformanceObservers active_observers_;
   PerformanceObservers suspended_observers_;
   TaskRunnerTimer<PerformanceBase> deliver_observations_timer_;
 };
 
 }  // namespace blink
 
 #endif  // PerformanceBase_h