Blink GC plugin: require that GC derived classes do not override their new(size_t) operator.

tools/clang/blink_gc_plugin/tests/class_overrides_new.h

Index: tools/clang/blink_gc_plugin/tests/class_overrides_new.h
diff --git a/tools/clang/blink_gc_plugin/tests/destructor_in_nonfinalized_class.h b/tools/clang/blink_gc_plugin/tests/class_overrides_new.h
similarity index 62%
copy from tools/clang/blink_gc_plugin/tests/destructor_in_nonfinalized_class.h
copy to tools/clang/blink_gc_plugin/tests/class_overrides_new.h
index 0e1c81516ce8ed9d986bb220cb9536225f14a417..c76daef5e5c2a0b465aed1ebf36e8624c33cefc1 100644
--- a/tools/clang/blink_gc_plugin/tests/destructor_in_nonfinalized_class.h
+++ b/tools/clang/blink_gc_plugin/tests/class_overrides_new.h
@@ -2,19 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef DESTRUCTOR_IN_NONFINALIZED_CLASS_H_
-#define DESTRUCTOR_IN_NONFINALIZED_CLASS_H_
+#ifndef CLASS_OVERRIDES_NEW_H_
+#define CLASS_OVERRIDES_NEW_H_
 
 #include "heap/stubs.h"
 
 namespace WebCore {
 
 class HeapObject : public GarbageCollected<HeapObject> {
+    WTF_MAKE_FAST_ALLOCATED;
 public:
-    ~HeapObject();
-    void trace(Visitor*);
-private:
-    Member<HeapObject> m_obj;
+    void trace(Visitor*) { }
 };
 
 }