Remove PreFinalizer{Callback} type aliases from view.

third_party/WebKit/Source/platform/heap/ThreadState.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 99 matching lines @@
                                                                            \
  private:                                                                  \
   ThreadState::PrefinalizerRegistration<Class> m_prefinalizerDummy = this; \
   using UsingPreFinalizerMacroNeedsTrailingSemiColon = char
 
 class PLATFORM_EXPORT ThreadState {
   USING_FAST_MALLOC(ThreadState);
   WTF_MAKE_NONCOPYABLE(ThreadState);
 
  public:
-  typedef std::pair<void*, PreFinalizerCallback> PreFinalizer;
-
   // See setGCState() for possible state transitions.
   enum GCState {
     NoGCScheduled,
     IdleGCScheduled,
     PreciseGCScheduled,
     FullGCScheduled,
     PageNavigationGCScheduled,
     GCRunning,
     EagerSweepScheduled,
     LazySweepScheduled,
@@ skipping 566 matching lines @@
 
   const BlinkGC::ThreadHeapMode m_threadHeapMode;
   bool m_isTerminating;
   GarbageCollectedMixinConstructorMarker* m_gcMixinMarker;
 
   bool m_shouldFlushHeapDoesNotContainCache;
   GCState m_gcState;
 
   std::unique_ptr<CallbackStack> m_threadLocalWeakCallbackStack;
 
+  using PreFinalizerCallback = bool (*)(void*);
+  using PreFinalizer = std::pair<void*, PreFinalizerCallback>;
+
   // Pre-finalizers are called in the reverse order in which they are
   // registered by the constructors (including constructors of Mixin objects)
   // for an object, by processing the m_orderedPreFinalizers back-to-front.
   ListHashSet<PreFinalizer> m_orderedPreFinalizers;
 
   v8::Isolate* m_isolate;
   void (*m_traceDOMWrappers)(v8::Isolate*, Visitor*);
   void (*m_invalidateDeadObjectsInWrappersMarkingDeque)(v8::Isolate*);
   void (*m_performCleanup)(v8::Isolate*);
 
@@ skipping 46 matching lines @@
 class ThreadStateFor<AnyThread> {
   STATIC_ONLY(ThreadStateFor);
 
  public:
   static ThreadState* state() { return ThreadState::current(); }
 };
 
 }  // namespace blink
 
 #endif  // ThreadState_h