Revert "Revert of [oilpan]: optimize the way we allocate persistent handles in wrappers. (patchset …

Source/core/inspector/InjectedScriptManager.h

Index: Source/core/inspector/InjectedScriptManager.h
diff --git a/Source/core/inspector/InjectedScriptManager.h b/Source/core/inspector/InjectedScriptManager.h
index 289613a5dbfdb75e063fa28b9780d85da15a3a31..f35fb937731b805206562b1cb832e5d8fad30efd 100644
--- a/Source/core/inspector/InjectedScriptManager.h
+++ b/Source/core/inspector/InjectedScriptManager.h
@@ -49,8 +49,17 @@ class InjectedScriptManager : public NoBaseWillBeGarbageCollectedFinalized<Injec
 public:
     struct CallbackData {
         ScopedPersistent<v8::Object> handle;
-        RefPtrWillBePersistent<InjectedScriptHost> host;
+#if ENABLE(OILPAN)
+        WrapperPersistent<InjectedScriptHost>* hostPtr;
+#else
+        RefPtr<InjectedScriptHost> host;
+#endif
         InjectedScriptManager* injectedScriptManager;
+
+#if ENABLE(OILPAN)
+        CallbackData() : hostPtr(0) { }
+        ~CallbackData();
+#endif
     };
 
     static PassOwnPtrWillBeRawPtr<InjectedScriptManager> createForPage();