[oilpan]: optimize the way we allocate persistent handles in wrappers.

Source/bindings/core/v8/V8DOMWrapper.h

 /*
  * Copyright (C) 2009 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 42 matching lines @@
     static v8::Handle<v8::Object> associateObjectWithWrapper(RawPtr<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, WrapperConfiguration::Lifetime lifetime)
     {
         return associateObjectWithWrapper<V8T, T>(object.get(), wrapperTypeInfo, wrapper, isolate, lifetime);
     }
     template<typename V8T, typename T>
     static v8::Handle<v8::Object> associateObjectWithWrapper(T*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*, WrapperConfiguration::Lifetime);
     static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(ScriptWrappable*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*, WrapperConfiguration::Lifetime);
     static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(Node*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*, WrapperConfiguration::Lifetime);
     static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer);
     static void setNativeInfoForHiddenWrapper(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer);
-    static void setNativeInfoWithPersistentHandle(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer, PersistentNode*);
+    static void setNativeInfoWithPersistentHandle(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer, WrapperPersistentNode*);
     static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*);
 
     static bool isDOMWrapper(v8::Handle<v8::Value>);
 };
 
 inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* internalPointer)
 {
     ASSERT(wrapper->InternalFieldCount() >= 2);
     ASSERT(internalPointer);
     ASSERT(wrapperTypeInfo);
@@ skipping 23 matching lines @@
         wrapper->SetAlignedPointerInInternalField(wrapper->InternalFieldCount() - 1, 0);
     } else if (wrapperTypeInfo->gcType == WillBeGarbageCollectedObject) {
 #if ENABLE(OILPAN)
         wrapper->SetAlignedPointerInInternalField(wrapper->InternalFieldCount() - 1, 0);
 #endif
     }
     wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, internalPointer);
     wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<WrapperTypeInfo*>(wrapperTypeInfo));
 }
 
-inline void V8DOMWrapper::setNativeInfoWithPersistentHandle(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* internalPointer, PersistentNode* handle)
+inline void V8DOMWrapper::setNativeInfoWithPersistentHandle(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* internalPointer, WrapperPersistentNode* handle)
 {
     ASSERT(wrapper->InternalFieldCount() >= 3);
     ASSERT(internalPointer);
     ASSERT(wrapperTypeInfo);
 #if ENABLE(OILPAN)
     ASSERT(wrapperTypeInfo->gcType == WillBeGarbageCollectedObject || wrapperTypeInfo->gcType == GarbageCollectedObject);
 #else
     ASSERT(wrapperTypeInfo->gcType == GarbageCollectedObject);
 #endif
     wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, internalPointer);
@@ skipping 18 matching lines @@
     setNativeInfo(wrapper, wrapperTypeInfo, V8T::toInternalPointer(object.get()));
     ASSERT(isDOMWrapper(wrapper));
     WrapperConfiguration configuration = buildWrapperConfiguration(object.get(), lifetime);
     DOMDataStore::setWrapper<V8T>(object.leakRef(), wrapper, isolate, configuration);
     return wrapper;
 }
 
 template<typename V8T, typename T>
 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(T* object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, WrapperConfiguration::Lifetime lifetime)
 {
-    setNativeInfoWithPersistentHandle(wrapper, wrapperTypeInfo, V8T::toInternalPointer(object), new Persistent<T>(object));
+    setNativeInfoWithPersistentHandle(wrapper, wrapperTypeInfo, V8T::toInternalPointer(object), new WrapperPersistent<T>(object));
     ASSERT(isDOMWrapper(wrapper));
     WrapperConfiguration configuration = buildWrapperConfiguration(object, lifetime);
     DOMDataStore::setWrapper<V8T>(object, wrapper, isolate, configuration);
     return wrapper;
 }
 
 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplate(ScriptWrappable* impl, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, WrapperConfiguration::Lifetime lifetime)
 {
 #if ENABLE(OILPAN)
     if (wrapperTypeInfo->gcType == RefCountedObject)
@@ skipping 61 matching lines @@
     v8::Handle<v8::Context> context() const { return m_context; }
 
 private:
     bool m_didEnterContext;
     v8::Handle<v8::Context> m_context;
 };
 
 } // namespace blink
 
 #endif // V8DOMWrapper_h