Wrap GCed raw pointer parameters of WTF::bind with Persistent

third_party/WebKit/Source/modules/nfc/NFC.cpp

 // Copyright 2015 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.
 
 #include "modules/nfc/NFC.h"
 
 #include "bindings/core/v8/JSONValuesForV8.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "core/dom/DOMArrayBuffer.h"
@@ skipping 477 matching lines @@
 
     nfc::NFCMessagePtr message = nfc::NFCMessage::From(pushMessage);
     if (!message)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(SyntaxError));
 
     if (!setURL(scriptState->getExecutionContext()->getSecurityOrigin()->toString(), message))
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(SyntaxError));
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     m_requests.add(resolver);
-    auto callback = createBaseCallback(bind(&NFC::OnRequestCompleted, this, resolver));
+    auto callback = createBaseCallback(bind(&NFC::OnRequestCompleted, wrapPersistent(this), wrapPersistent(resolver)));
     m_nfc->Push(std::move(message), nfc::NFCPushOptions::From(options), callback);
 
     return resolver->promise();
 }
 
 ScriptPromise NFC::cancelPush(ScriptState* scriptState, const String& target)
 {
     String errorMessage;
     if (!scriptState->getExecutionContext()->isSecureContext(errorMessage))
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(SecurityError, errorMessage));
 
     if (!m_nfc)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     m_requests.add(resolver);
-    auto callback = createBaseCallback(bind(&NFC::OnRequestCompleted, this, resolver));
+    auto callback = createBaseCallback(bind(&NFC::OnRequestCompleted, wrapPersistent(this), wrapPersistent(resolver)));
     m_nfc->CancelPush(mojo::toNFCPushTarget(target), callback);
 
     return resolver->promise();
 }
 
 ScriptPromise NFC::watch(ScriptState* scriptState, MessageCallback* callback, const NFCWatchOptions& options)
 {
     // TODO(shalamov): To be implemented.
     return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 }
@@ skipping 54 matching lines @@
 }
 
 DEFINE_TRACE(NFC)
 {
     PageLifecycleObserver::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
     visitor->trace(m_requests);
 }
 
 } // namespace blink