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

third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionary.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 "V8TestDictionary.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 545 matching lines @@
 
     {
         v8::Local<v8::Value> testInterfaceSequenceMemberValue;
         if (!v8Object->Get(isolate->GetCurrentContext(), v8String(isolate, "testInterfaceSequenceMember")).ToLocal(&testInterfaceSequenceMemberValue)) {
             exceptionState.rethrowV8Exception(block.Exception());
             return;
         }
         if (testInterfaceSequenceMemberValue.IsEmpty() || testInterfaceSequenceMemberValue->IsUndefined()) {
             // Do nothing.
         } else {
-            Vector<RefPtr<TestInterfaceImplementation>> testInterfaceSequenceMember = (toRefPtrNativeArray<TestInterface, V8TestInterface>(testInterfaceSequenceMemberValue, 0, isolate, exceptionState));
+            HeapVector<Member<TestInterfaceImplementation>> testInterfaceSequenceMember = (toMemberNativeArray<TestInterface, V8TestInterface>(testInterfaceSequenceMemberValue, 0, isolate, exceptionState));
             if (exceptionState.hadException())
                 return;
             impl.setTestInterfaceSequenceMember(testInterfaceSequenceMember);
         }
     }
 
     {
         v8::Local<v8::Value> uint8ArrayMemberValue;
         if (!v8Object->Get(isolate->GetCurrentContext(), v8String(isolate, "uint8ArrayMember")).ToLocal(&uint8ArrayMemberValue)) {
             exceptionState.rethrowV8Exception(block.Exception());
@@ skipping 214 matching lines @@
 
     if (impl.hasTestInterfaceOrNullMember()) {
         if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "testInterfaceOrNullMember"), toV8(impl.testInterfaceOrNullMember(), creationContext, isolate))))
             return false;
     }
 
     if (impl.hasTestInterfaceSequenceMember()) {
         if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "testInterfaceSequenceMember"), toV8(impl.testInterfaceSequenceMember(), creationContext, isolate))))
             return false;
     } else {
-        if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "testInterfaceSequenceMember"), toV8(Vector<RefPtr<TestInterfaceImplementation>>(), creationContext, isolate))))
+        if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "testInterfaceSequenceMember"), toV8(HeapVector<Member<TestInterfaceImplementation>>(), creationContext, isolate))))
             return false;
     }
 
     if (impl.hasUint8ArrayMember()) {
         if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "uint8ArrayMember"), toV8(impl.uint8ArrayMember(), creationContext, isolate))))
             return false;
     }
 
     if (impl.hasUnrestrictedDoubleMember()) {
         if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "unrestrictedDoubleMember"), v8::Number::New(isolate, impl.unrestrictedDoubleMember()))))
             return false;
     } else {
         if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "unrestrictedDoubleMember"), v8::Number::New(isolate, 3.14))))
             return false;
     }
 
     return true;
 }
 
 TestDictionary NativeValueTraits<TestDictionary>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState)
 {
     TestDictionary impl;
     V8TestDictionary::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 } // namespace blink