Refactor Worklet class to use ScriptResource

third_party/WebKit/Source/modules/worklet/WorkletScriptLoader.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/worklet/WorkletScriptLoader.h"
+
+#include "bindings/core/v8/ScriptSourceCode.h"
+#include "core/dom/DOMException.h"
+#include "core/dom/ExceptionCode.h"
+#include "core/workers/WorkletGlobalScopeProxy.h"
+#include "modules/worklet/Worklet.h"
+
+namespace blink {
+
+WorkletScriptLoader::WorkletScriptLoader(ScriptPromiseResolver* resolver, WorkletGlobalScopeProxy* workletGlobalScopeProxy,
+    Worklet* worklet)
+    : m_resolver(resolver)
+    , m_host(worklet),
+    , m_workletGlobalScopeProxy(workletGlobalScopeProxy)
+{
+}
+
+void WorkletScriptLoader::notifyFinished(Resource* resource)
+{
+    if (resource->errorOccurred()) {
+        m_resolver->reject(DOMException::create(NetworkError));
+    } else {
+        DCHECK(resource->isLoaded());
+        m_workletGlobalScopeProxy->evaluateScript(ScriptSourceCode(toScriptResource(resource)));
+        m_resolver->resolve();
+    }
+    m_host->notifyFinished(resource);
+}
+
+DEFINE_TRACE(WorkletScriptLoader)
+{
+    visitor->trace(m_resolver);
+    visitor->trace(m_host);
+    ScriptResourceClient::trace(visitor);
+}
+
+} // namespace blink