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

Source/bindings/core/v8/custom/V8TypedArrayCustom.h

Index: Source/bindings/core/v8/custom/V8TypedArrayCustom.h
diff --git a/Source/bindings/core/v8/custom/V8TypedArrayCustom.h b/Source/bindings/core/v8/custom/V8TypedArrayCustom.h
index 5aca079e7cf2111a8ca8e3914cb07c07c1d4d7d8..5d134c7db550c760f5fa499f65e41f5160cffcf9 100644
--- a/Source/bindings/core/v8/custom/V8TypedArrayCustom.h
+++ b/Source/bindings/core/v8/custom/V8TypedArrayCustom.h
@@ -56,7 +56,7 @@ public:
     static TypedArray* toNativeWithTypeCheck(v8::Isolate*, v8::Handle<v8::Value>);
     static void refObject(ScriptWrappableBase* internalPointer);
     static void derefObject(ScriptWrappableBase* internalPointer);
-    static PersistentNode* createPersistentHandle(ScriptWrappableBase* internalPointer);
+    static WrapperPersistentNode* createPersistentHandle(ScriptWrappableBase* internalPointer);
     static const WrapperTypeInfo wrapperTypeInfo;
     static const int internalFieldCount = v8DefaultWrapperInternalFieldCount;
 
@@ -205,7 +205,7 @@ void V8TypedArray<TypedArray>::derefObject(ScriptWrappableBase* internalPointer)
 }
 
 template <typename TypedArray>
-PersistentNode* V8TypedArray<TypedArray>::createPersistentHandle(ScriptWrappableBase* internalPointer)
+WrapperPersistentNode* V8TypedArray<TypedArray>::createPersistentHandle(ScriptWrappableBase* internalPointer)
 {
     ASSERT_NOT_REACHED();
     return 0;