Specialize base::IsWeakReceiver for Blink weak pointers to support base::Bind (1/5)

third_party/WebKit/Source/modules/payments/PaymentRequest.cpp

 // Copyright 2016 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/payments/PaymentRequest.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/JSONValuesForV8.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 271 matching lines @@
 ScriptPromise PaymentRequest::show(ScriptState* scriptState)
 {
     if (m_showResolver)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "Already called show() once"));
 
     if (!scriptState->domWindow() || !scriptState->domWindow()->frame())
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "Cannot show the payment request"));
 
     DCHECK(!m_paymentProvider.is_bound());
     scriptState->domWindow()->frame()->serviceRegistry()->connectToRemoteService(mojo::GetProxy(&m_paymentProvider));
-    m_paymentProvider.set_connection_error_handler(createBaseCallback(bind(&PaymentRequest::OnError, WeakPersistentThisPointer<PaymentRequest>(this))));
+    m_paymentProvider.set_connection_error_handler(createBaseCallback(bind(&PaymentRequest::OnError, wrapWeakPersistent(this))));
     m_paymentProvider->SetClient(m_clientBinding.CreateInterfacePtrAndBind());
     m_paymentProvider->Show(mojo::WTFArray<mojom::blink::PaymentMethodDataPtr>::From(m_methodData), mojom::blink::PaymentDetails::From(m_details), mojom::blink::PaymentOptions::From(m_options));
 
     m_showResolver = ScriptPromiseResolver::create(scriptState);
     return m_showResolver->promise();
 }
 
 ScriptPromise PaymentRequest::abort(ScriptState* scriptState)
 {
     if (m_abortResolver)
@@ skipping 238 matching lines @@
 {
     m_completeResolver.clear();
     m_showResolver.clear();
     m_abortResolver.clear();
     if (m_clientBinding.is_bound())
         m_clientBinding.Close();
     m_paymentProvider.reset();
 }
 
 } // namespace blink