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

third_party/WebKit/Source/modules/imagecapture/ImageCapture.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/imagecapture/ImageCapture.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 166 matching lines @@
 ImageCapture::ImageCapture(ExecutionContext* context, MediaStreamTrack* track)
     : ActiveScriptWrappable(this)
     , ContextLifecycleObserver(context)
     , m_streamTrack(track)
 {
     DCHECK(m_streamTrack);
     DCHECK(!m_service.is_bound());
 
     Platform::current()->serviceRegistry()->connectToRemoteService(mojo::GetProxy(&m_service));
 
-    m_service.set_connection_error_handler(createBaseCallback(bind(&ImageCapture::onServiceConnectionError, WeakPersistentThisPointer<ImageCapture>(this))));
+    m_service.set_connection_error_handler(createBaseCallback(bind(&ImageCapture::onServiceConnectionError, wrapWeakPersistent(this))));
 
 }
 
 void ImageCapture::onCapabilities(ScriptPromiseResolver* resolver, media::mojom::blink::PhotoCapabilitiesPtr capabilities)
 {
     DVLOG(1) << __FUNCTION__;
     if (!m_serviceRequests.contains(resolver))
         return;
     if (capabilities.is_null()) {
         resolver->reject(DOMException::create(UnknownError, "platform error"));
@@ skipping 43 matching lines @@
 
 DEFINE_TRACE(ImageCapture)
 {
     visitor->trace(m_streamTrack);
     visitor->trace(m_serviceRequests);
     EventTargetWithInlineData::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink