Support data URLs in worker constructors

third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 160 matching lines @@
 
 void WebSharedWorkerImpl::didFinishDocumentLoad(WebLocalFrame* frame) {
   DCHECK(!m_loadingDocument);
   DCHECK(!m_mainScriptLoader);
   m_networkProvider = WTF::wrapUnique(
       m_client->createServiceWorkerNetworkProvider(frame->dataSource()));
   m_mainScriptLoader = WorkerScriptLoader::create();
   m_mainScriptLoader->setRequestContext(
       WebURLRequest::RequestContextSharedWorker);
   m_loadingDocument = toWebLocalFrameImpl(frame)->frame()->document();
+
+  CrossOriginRequestPolicy crossOriginRequestPolicy =
+      (static_cast<KURL>(m_url)).protocolIsData() ? AllowCrossOriginRequests
+                                                  : DenyCrossOriginRequests;
+
   m_mainScriptLoader->loadAsynchronously(
-      *m_loadingDocument.get(), m_url, DenyCrossOriginRequests,
+      *m_loadingDocument.get(), m_url, crossOriginRequestPolicy,
       m_creationAddressSpace,
       bind(&WebSharedWorkerImpl::didReceiveScriptLoaderResponse,
            WTF::unretained(this)),
       bind(&WebSharedWorkerImpl::onScriptLoaderFinished,
            WTF::unretained(this)));
   // Do nothing here since onScriptLoaderFinished() might have been already
   // invoked and |this| might have been deleted at this point.
 }
 
 bool WebSharedWorkerImpl::isControlledByServiceWorker(
@@ skipping 268 matching lines @@
   if (devtoolsAgent)
     devtoolsAgent->dispatchOnInspectorBackend(sessionId, callId, method,
                                               message);
 }
 
 WebSharedWorker* WebSharedWorker::create(WebSharedWorkerClient* client) {
   return new WebSharedWorkerImpl(client);
 }
 
 }  // namespace blink