Remove LifecycleNotifier::removePending

third_party/WebKit/Source/platform/LifecycleNotifier.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 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 43 matching lines @@
     return m_iterationState != NotIterating;
   }
 
  protected:
   LifecycleNotifier() : m_iterationState(NotIterating) {}
 
   T* context() { return static_cast<T*>(this); }
 
   using ObserverSet = HeapHashSet<WeakMember<Observer>>;
 
-  void removePending(ObserverSet&);
-
   enum IterationState {
     AllowingNone = 0,
     AllowingAddition = 1,
     AllowingRemoval = 2,
     NotIterating = AllowingAddition | AllowingRemoval,
     AllowPendingRemoval = 4,
   };
 
   // Iteration state is recorded while iterating the observer set,
   // optionally barring add or remove mutations.
@@ skipping 32 matching lines @@
   // If immediate removal isn't currently allowed,
   // |observer| is recorded for pending removal.
   if (m_iterationState & AllowPendingRemoval) {
     m_observers.add(observer);
     return;
   }
   RELEASE_ASSERT(m_iterationState & AllowingRemoval);
   m_observers.remove(observer);
 }
 
-template <typename T, typename Observer>
-inline void LifecycleNotifier<T, Observer>::removePending(
-    ObserverSet& observers) {
-  if (m_observers.size()) {
-    // Prevent allocation (==shrinking) while removing;
-    // the table is likely to become garbage soon.
-    ThreadState::NoAllocationScope scope(ThreadState::current());
-    observers.removeAll(m_observers);
-  }
-  m_observers.swap(observers);
-}
-
 }  // namespace blink
 
 #endif  // LifecycleNotifier_h