remove most V8_ALLOW_ACCESS_TO_* defines from test classes

include/v8.h

 // Copyright 2012 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 545 matching lines @@
 
   /**
    * "Casts" a plain handle which is known to be a persistent handle
    * to a persistent handle.
    */
   template <class S> explicit V8_INLINE(Persistent(Handle<S> that))
       : Handle<T>(*that) { }
 
 #endif
 
+#ifdef V8_USE_UNSAFE_HANDLES
   template <class S> V8_INLINE(static Persistent<T> Cast(Persistent<S> that)) {
 #ifdef V8_ENABLE_CHECKS
     // If we're going to perform the type check then we have to check
     // that the handle isn't empty before doing the checked cast.
     if (that.IsEmpty()) return Persistent<T>();
 #endif
     return Persistent<T>(T::Cast(*that));
   }
 
   template <class S> V8_INLINE(Persistent<S> As()) {
     return Persistent<S>::Cast(*this);
   }
 
+#else
+  template <class S>
+  V8_INLINE(static Persistent<T>& Cast(Persistent<S>& that)) { // NOLINT
+#ifdef V8_ENABLE_CHECKS
+    // If we're going to perform the type check then we have to check
+    // that the handle isn't empty before doing the checked cast.
+    if (!that.IsEmpty()) T::Cast(*that);
+#endif
+    return reinterpret_cast<Persistent<T>&>(that);
+  }
+
+  template <class S> V8_INLINE(Persistent<S>& As()) { // NOLINT
+    return Persistent<S>::Cast(*this);
+  }
+#endif
+
   V8_DEPRECATED(static Persistent<T> New(Handle<T> that));
 
   /**
    * Creates a new persistent handle for an existing local or persistent handle.
    */
   // TODO(dcarney): remove before cutover
   V8_INLINE(static Persistent<T> New(Isolate* isolate, Handle<T> that));
 #ifndef V8_USE_UNSAFE_HANDLES
   // TODO(dcarney): remove before cutover
   V8_INLINE(static Persistent<T> New(Isolate* isolate, Persistent<T> that));
@@ skipping 5736 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_