Have bindings layer assume and insist that all interface types are GCed.

third_party/WebKit/Source/bindings/tests/results/core/TestDictionary.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "TestDictionary.h"
 
 
 namespace blink {
 
 TestDictionary::TestDictionary()
 {
     setDoubleOrStringMember(DoubleOrString::fromDouble(3.14));
     setEnumMember(String("foo"));
     setLongMember(1);
     setOtherDoubleOrStringMember(DoubleOrString::fromString(String("default string value")));
     setRestrictedDoubleMember(3.14);
     setStringOrNullMember(String("default string value"));
     setStringSequenceMember(Vector<String>());
     setTestInterfaceGarbageCollectedSequenceMember(HeapVector<Member<TestInterfaceGarbageCollected>>());
-    setTestInterfaceSequenceMember(Vector<RefPtr<TestInterfaceImplementation>>());
+    setTestInterfaceSequenceMember(HeapVector<Member<TestInterfaceImplementation>>());
     setUnrestrictedDoubleMember(3.14);
 }
 
 TestDictionary::~TestDictionary()
 {
 }
 
 DEFINE_TRACE(TestDictionary)
 {
     visitor->trace(m_doubleOrStringMember);
     visitor->trace(m_doubleOrStringSequenceMember);
     visitor->trace(m_elementOrNullMember);
     visitor->trace(m_eventTargetMember);
     visitor->trace(m_internalDictionarySequenceMember);
     visitor->trace(m_otherDoubleOrStringMember);
     visitor->trace(m_testInterface2OrUint8ArrayMember);
     visitor->trace(m_testInterfaceGarbageCollectedMember);
     visitor->trace(m_testInterfaceGarbageCollectedOrNullMember);
     visitor->trace(m_testInterfaceGarbageCollectedSequenceMember);
+    visitor->trace(m_testInterfaceMember);
+    visitor->trace(m_testInterfaceOrNullMember);
+    visitor->trace(m_testInterfaceSequenceMember);
     visitor->trace(m_uint8ArrayMember);
 }
 
 } // namespace blink