Migrate Handle.h WTF decls closer to their corresponding definitions.

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

 /*
  * Copyright (C) 2014 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 1330 matching lines @@
 };
 #define LEAK_SANITIZER_DISABLED_SCOPE LeakSanitizerDisableScope lsanDisabledScope
 #else
 #define LEAK_SANITIZER_DISABLED_SCOPE
 #endif
 
 } // namespace blink
 
 namespace WTF {
 
-template <typename T> struct VectorTraits<blink::Member<T>> : VectorTraitsBase<blink::Member<T>> {
-    static const bool needsDestruction = false;
-    static const bool canInitializeWithMemset = true;
-    static const bool canClearUnusedSlotsWithMemset = true;
-    static const bool canMoveWithMemcpy = true;
-};
-
-template <typename T> struct VectorTraits<blink::WeakMember<T>> : VectorTraitsBase<blink::WeakMember<T>> {
-    static const bool needsDestruction = false;
-    static const bool canInitializeWithMemset = true;
-    static const bool canClearUnusedSlotsWithMemset = true;
-    static const bool canMoveWithMemcpy = true;
-};
-
-template <typename T> struct VectorTraits<blink::UntracedMember<T>> : VectorTraitsBase<blink::UntracedMember<T>> {
-    static const bool needsDestruction = false;
-    static const bool canInitializeWithMemset = true;
-    static const bool canClearUnusedSlotsWithMemset = true;
-    static const bool canMoveWithMemcpy = true;
-};
-
-template <typename T> struct VectorTraits<blink::HeapVector<T, 0>> : VectorTraitsBase<blink::HeapVector<T, 0>> {
-    static const bool needsDestruction = false;
-    static const bool canInitializeWithMemset = true;
-    static const bool canClearUnusedSlotsWithMemset = true;
-    static const bool canMoveWithMemcpy = true;
-};
-
-template <typename T> struct VectorTraits<blink::HeapDeque<T, 0>> : VectorTraitsBase<blink::HeapDeque<T, 0>> {
-    static const bool needsDestruction = false;
-    static const bool canInitializeWithMemset = true;
-    static const bool canClearUnusedSlotsWithMemset = true;
-    static const bool canMoveWithMemcpy = true;
-};
-
-template <typename T, size_t inlineCapacity> struct VectorTraits<blink::HeapVector<T, inlineCapacity>> : VectorTraitsBase<blink::HeapVector<T, inlineCapacity>> {
-    static const bool needsDestruction = VectorTraits<T>::needsDestruction;
-    static const bool canInitializeWithMemset = VectorTraits<T>::canInitializeWithMemset;
-    static const bool canClearUnusedSlotsWithMemset = VectorTraits<T>::canClearUnusedSlotsWithMemset;
-    static const bool canMoveWithMemcpy = VectorTraits<T>::canMoveWithMemcpy;
-};
-
-template <typename T, size_t inlineCapacity> struct VectorTraits<blink::HeapDeque<T, inlineCapacity>> : VectorTraitsBase<blink::HeapDeque<T, inlineCapacity>> {
-    static const bool needsDestruction = VectorTraits<T>::needsDestruction;
-    static const bool canInitializeWithMemset = VectorTraits<T>::canInitializeWithMemset;
-    static const bool canClearUnusedSlotsWithMemset = VectorTraits<T>::canClearUnusedSlotsWithMemset;
-    static const bool canMoveWithMemcpy = VectorTraits<T>::canMoveWithMemcpy;
-};
-
-template<typename T> struct HashTraits<blink::Member<T>> : SimpleClassHashTraits<blink::Member<T>> {
-    // FIXME: The distinction between PeekInType and PassInType is there for
-    // the sake of the reference counting handles. When they are gone the two
-    // types can be merged into PassInType.
-    // FIXME: Implement proper const'ness for iterator types. Requires support
-    // in the marking Visitor.
-    using PeekInType = RawPtr<T>;
-    using PassInType = RawPtr<T>;
-    using IteratorGetType = blink::Member<T>*;
-    using IteratorConstGetType = const blink::Member<T>*;
-    using IteratorReferenceType = blink::Member<T>&;
-    using IteratorConstReferenceType = const blink::Member<T>&;
-    static IteratorReferenceType getToReferenceConversion(IteratorGetType x) { return *x; }
-    static IteratorConstReferenceType getToReferenceConstConversion(IteratorConstGetType x) { return *x; }
-    // FIXME: Similarly, there is no need for a distinction between PeekOutType
-    // and PassOutType without reference counting.
-    using PeekOutType = T*;
-    using PassOutType = T*;
-
-    template<typename U>
-    static void store(const U& value, blink::Member<T>& storage) { storage = value; }
-
-    static PeekOutType peek(const blink::Member<T>& value) { return value; }
-    static PassOutType passOut(const blink::Member<T>& value) { return value; }
-};
-
-template<typename T> struct HashTraits<blink::WeakMember<T>> : SimpleClassHashTraits<blink::WeakMember<T>> {
-    static const bool needsDestruction = false;
-    // FIXME: The distinction between PeekInType and PassInType is there for
-    // the sake of the reference counting handles. When they are gone the two
-    // types can be merged into PassInType.
-    // FIXME: Implement proper const'ness for iterator types. Requires support
-    // in the marking Visitor.
-    using PeekInType = RawPtr<T>;
-    using PassInType = RawPtr<T>;
-    using IteratorGetType = blink::WeakMember<T>*;
-    using IteratorConstGetType = const blink::WeakMember<T>*;
-    using IteratorReferenceType = blink::WeakMember<T>&;
-    using IteratorConstReferenceType = const blink::WeakMember<T>&;
-    static IteratorReferenceType getToReferenceConversion(IteratorGetType x) { return *x; }
-    static IteratorConstReferenceType getToReferenceConstConversion(IteratorConstGetType x) { return *x; }
-    // FIXME: Similarly, there is no need for a distinction between PeekOutType
-    // and PassOutType without reference counting.
-    using PeekOutType = T*;
-    using PassOutType = T*;
-
-    template<typename U>
-    static void store(const U& value, blink::WeakMember<T>& storage) { storage = value; }
-
-    static PeekOutType peek(const blink::WeakMember<T>& value) { return value; }
-    static PassOutType passOut(const blink::WeakMember<T>& value) { return value; }
-
-    template<typename VisitorDispatcher>
-    static bool traceInCollection(VisitorDispatcher visitor, blink::WeakMember<T>& weakMember, ShouldWeakPointersBeMarkedStrongly strongify)
-    {
-        if (strongify == WeakPointersActStrong) {
-            visitor->trace(weakMember.get()); // Strongified visit.
-            return false;
-        }
-        return !blink::Heap::isHeapObjectAlive(weakMember);
-    }
-};
-
-template<typename T> struct HashTraits<blink::UntracedMember<T>> : SimpleClassHashTraits<blink::UntracedMember<T>> {
-    static const bool needsDestruction = false;
-    // FIXME: The distinction between PeekInType and PassInType is there for
-    // the sake of the reference counting handles. When they are gone the two
-    // types can be merged into PassInType.
-    // FIXME: Implement proper const'ness for iterator types.
-    using PeekInType = RawPtr<T>;
-    using PassInType = RawPtr<T>;
-    using IteratorGetType = blink::UntracedMember<T>*;
-    using IteratorConstGetType = const blink::UntracedMember<T>*;
-    using IteratorReferenceType = blink::UntracedMember<T>&;
-    using IteratorConstReferenceType = const blink::UntracedMember<T>&;
-    static IteratorReferenceType getToReferenceConversion(IteratorGetType x) { return *x; }
-    static IteratorConstReferenceType getToReferenceConstConversion(IteratorConstGetType x) { return *x; }
-    // FIXME: Similarly, there is no need for a distinction between PeekOutType
-    // and PassOutType without reference counting.
-    using PeekOutType = T*;
-    using PassOutType = T*;
-
-    template<typename U>
-    static void store(const U& value, blink::UntracedMember<T>& storage) { storage = value; }
-
-    static PeekOutType peek(const blink::UntracedMember<T>& value) { return value; }
-    static PassOutType passOut(const blink::UntracedMember<T>& value) { return value; }
-};
-
 template<typename T> struct PtrHash<blink::Member<T>> : PtrHash<T*> {
     template<typename U>
     static unsigned hash(const U& key) { return PtrHash<T*>::hash(key); }
     static bool equal(T* a, const blink::Member<T>& b) { return a == b; }
     static bool equal(const blink::Member<T>& a, T* b) { return a == b; }
     template<typename U, typename V>
     static bool equal(const U& a, const V& b) { return a == b; }
 };
 
 template<typename T> struct PtrHash<blink::WeakMember<T>> : PtrHash<blink::Member<T>> {
@@ skipping 28 matching lines @@
 template<typename T> inline T* getPtr(const blink::Member<T>& p)
 {
     return p.get();
 }
 
 template<typename T> inline T* getPtr(const blink::Persistent<T>& p)
 {
     return p.get();
 }
 
-template<typename T, size_t inlineCapacity>
-struct NeedsTracing<ListHashSetNode<T, blink::HeapListHashSetAllocator<T, inlineCapacity>> *> {
-    static_assert(sizeof(T), "T must be fully defined");
-    // All heap allocated node pointers need visiting to keep the nodes alive,
-    // regardless of whether they contain pointers to other heap allocated
-    // objects.
-    static const bool value = true;
-};
-
 // For wtf/Functional.h
 template<typename T, bool isGarbageCollected> struct PointerParamStorageTraits;
 
 template<typename T>
 struct PointerParamStorageTraits<T*, false> {
     static_assert(sizeof(T), "T must be fully defined");
     using StorageType = T*;
 
     static StorageType wrap(T* value) { return value; }
     static T* unwrap(const StorageType& value) { return value; }
@@ skipping 26 matching lines @@
     static StorageType wrap(const blink::CrossThreadWeakPersistentThisPointer<T>& value) { return value.value(); }
 
     // WTF::FunctionWrapper<> handles WeakPtr<>, so recast this weak persistent
     // into it.
     //
     // TODO(sof): remove this hack once wtf/Functional.h can also work with a type like
     // CrossThreadWeakPersistent<>.
     static WeakPtr<T> unwrap(const StorageType& value) { return WeakPtr<T>(WeakReference<T>::create(value.get())); }
 };
 
-// Adoption is not needed nor wanted for RefCountedGarbageCollected<>-derived types.
-template<typename T>
-PassRefPtr<T> adoptRef(blink::RefCountedGarbageCollected<T>*) = delete;
-
 } // namespace WTF
 
 #endif