Remove RefPtr<ScriptState> from PerformanceObserver

third_party/WebKit/Source/core/dom/ExecutionContext.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2012 Google 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 109 matching lines @@
 
   virtual void removeURLFromMemoryCache(const KURL&);
 
   void suspendActiveDOMObjects();
   void resumeActiveDOMObjects();
   void stopActiveDOMObjects();
   void notifyContextDestroyed() override;
 
   void suspendScheduledTasks();
   void resumeScheduledTasks();
+
+  // TODO(haraken): Remove these methods by making the customers inherit from
+  // ActiveDOMObject. ActiveDOMObject is a standard way to observe context
+  // suspension/resumption.
   virtual bool tasksNeedSuspension() { return false; }
   virtual void tasksWereSuspended() {}
   virtual void tasksWereResumed() {}
 
   bool activeDOMObjectsAreSuspended() const {
     return m_activeDOMObjectsAreSuspended;
   }
   bool activeDOMObjectsAreStopped() const {
     return m_activeDOMObjectsAreStopped;
   }
@@ skipping 61 matching lines @@
   // |allowWindowInteraction()| and |consumeWindowInteraction()| in order to
   // increment and decrement the counter.
   int m_windowInteractionTokens;
 
   ReferrerPolicy m_referrerPolicy;
 };
 
 }  // namespace blink
 
 #endif  // ExecutionContext_h