bindings: Adds virtual ScriptWrappable::wrap method.

Source/modules/credentialmanager/CredentialsContainer.h

 // 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.
 
 #ifndef CredentialsContainer_h
 #define CredentialsContainer_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class Credential;
 class Dictionary;
 class ScriptPromise;
 class ScriptState;
 
 class CredentialsContainer FINAL : public GarbageCollected<CredentialsContainer>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static CredentialsContainer* create();
 
     // CredentialsContainer.h
     ScriptPromise request(ScriptState*, const Dictionary&);
     ScriptPromise notifySignedIn(ScriptState*, Credential* = 0);
     ScriptPromise notifyFailedSignIn(ScriptState*, Credential* = 0);
     ScriptPromise notifySignedOut(ScriptState*);
 
     virtual void trace(Visitor*) { }
 
 private:
     CredentialsContainer();
 };
 
 } // namespace blink
 
 #endif // CredentialsContainer_h