Remove thread-local weak processing

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 36 matching lines @@
 #include "wtf/ThreadingPrimitives.h"
 #include <memory>
 
 namespace v8 {
 class Isolate;
 };
 
 namespace blink {
 
 class BasePage;
-class CallbackStack;
 class GarbageCollectedMixinConstructorMarker;
 class PersistentNode;
 class PersistentRegion;
 class BaseArena;
 class SafePointBarrier;
 class ThreadHeap;
 class ThreadState;
 class Visitor;
 
 // Declare that a class has a pre-finalizer. The pre-finalizer is called
@@ skipping 111 matching lines @@
     return **s_threadSpecific;
   }
 
   static ThreadState* mainThreadState() {
     return reinterpret_cast<ThreadState*>(s_mainThreadStateStorage);
   }
 
   static ThreadState* fromObject(const void*);
 
   bool isMainThread() const { return this == mainThreadState(); }
-#if DCHECK_IS_ON()
   bool checkThread() const { return m_thread == currentThread(); }
-#endif
 
   ThreadHeap& heap() const { return *m_heap; }
 
   // When ThreadState is detaching from non-main thread its
   // heap is expected to be empty (because it is going away).
   // Perform registered cleanup tasks and garbage collection
   // to sweep away any objects that are left on this heap.
   // We assert that nothing must remain after this cleanup.
   // If assertion does not hold we crash as we are potentially
   // in the dangling pointer situation.
@@ skipping 180 matching lines @@
     STACK_ALLOCATED();
     GCSnapshotInfo(size_t numObjectTypes);
 
     // Map from gcInfoIndex (vector-index) to count/size.
     Vector<int> liveCount;
     Vector<int> deadCount;
     Vector<size_t> liveSize;
     Vector<size_t> deadSize;
   };
 
-  void pushThreadLocalWeakCallback(void*, WeakCallback);
-  bool popAndInvokeThreadLocalWeakCallback(Visitor*);
-  void threadLocalWeakProcessing();
-
   size_t objectPayloadSizeForTesting();
 
   void shouldFlushHeapDoesNotContainCache() {
     m_shouldFlushHeapDoesNotContainCache = true;
   }
 
   void registerTraceDOMWrappers(
       v8::Isolate* isolate,
       void (*traceDOMWrappers)(v8::Isolate*, Visitor*),
       void (*invalidateDeadObjectsInWrappersMarkingDeque)(v8::Isolate*),
@@ skipping 251 matching lines @@
   BaseArena* m_arenas[BlinkGC::NumberOfArenas];
   int m_vectorBackingArenaIndex;
   size_t m_arenaAges[BlinkGC::NumberOfArenas];
   size_t m_currentArenaAges;
 
   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*);
@@ skipping 49 matching lines @@
 class ThreadStateFor<AnyThread> {
   STATIC_ONLY(ThreadStateFor);
 
  public:
   static ThreadState* state() { return ThreadState::current(); }
 };
 
 }  // namespace blink
 
 #endif  // ThreadState_h