Give the RequestFetcher access to cross-origin URLs when allowed

Source/core/fetch/FetchRequest.h

 /*
  * Copyright (C) 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 #include "platform/network/ResourceLoadPriority.h"
 #include "platform/network/ResourceRequest.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 class SecurityOrigin;
 
 class FetchRequest {
 public:
     enum DeferOption { NoDefer, DeferredByClient };
-    enum OriginRestriction { UseDefaultOriginRestrictionForType, RestrictToSameOrigin };
+    enum OriginRestriction { UseDefaultOriginRestrictionForType, RestrictToSameOrigin, NoOriginRestriction };
 
     explicit FetchRequest(const ResourceRequest&, const AtomicString& initiator, const String& charset = String(), ResourceLoadPriority = ResourceLoadPriorityUnresolved);
     FetchRequest(const ResourceRequest&, const AtomicString& initiator, const ResourceLoaderOptions&);
     FetchRequest(const ResourceRequest&, const FetchInitiatorInfo&);
     ~FetchRequest();
 
     ResourceRequest& mutableResourceRequest() { return m_resourceRequest; }
     const ResourceRequest& resourceRequest() const { return m_resourceRequest; }
     const KURL& url() const { return m_resourceRequest.url(); }
     const String& charset() const { return m_charset; }
@@ skipping 18 matching lines @@
     ResourceLoaderOptions m_options;
     ResourceLoadPriority m_priority;
     bool m_forPreload;
     DeferOption m_defer;
     OriginRestriction m_originRestriction;
 };
 
 } // namespace WebCore
 
 #endif