Set credentials mode "same-origin" when crossOrigin=anonymous is set.

third_party/WebKit/Source/core/loader/TextTrackLoader.h

 /*
  * Copyright (C) 2011 Apple 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 11 matching lines @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TextTrackLoader_h
 #define TextTrackLoader_h
 
 #include "core/fetch/RawResource.h"
 #include "core/fetch/ResourceOwner.h"
 #include "core/html/track/vtt/VTTParser.h"
+#include "platform/CrossOriginAttributeValue.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class Document;
 class TextTrackLoader;
 
 class TextTrackLoaderClient {
 public:
     virtual ~TextTrackLoaderClient() {}
 
     virtual void newCuesAvailable(TextTrackLoader*) = 0;
     virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) = 0;
     virtual void newRegionsAvailable(TextTrackLoader*) = 0;
 };
 
 class TextTrackLoader final : public NoBaseWillBeGarbageCollectedFinalized<TextTrackLoader>, public ResourceOwner<RawResource>, private VTTParserClient {
     WTF_MAKE_NONCOPYABLE(TextTrackLoader);
     USING_FAST_MALLOC_WILL_BE_REMOVED(TextTrackLoader);
 public:
     static PassOwnPtrWillBeRawPtr<TextTrackLoader> create(TextTrackLoaderClient& client, Document& document)
     {
         return adoptPtrWillBeNoop(new TextTrackLoader(client, document));
     }
     ~TextTrackLoader() override;
 
-    bool load(const KURL&, const AtomicString& crossOriginMode);
+    bool load(const KURL&, CrossOriginAttributeValue);
     void cancelLoad();
 
     enum State { Idle, Loading, Finished, Failed };
     State loadState() { return m_state; }
 
     void getNewCues(HeapVector<Member<TextTrackCue>>& outputCues);
     void getNewRegions(HeapVector<Member<VTTRegion>>& outputRegions);
 
     DECLARE_TRACE();
 
@@ skipping 20 matching lines @@
     // FIXME: Remove this pointer and get the Document from m_client.
     RawPtrWillBeMember<Document> m_document;
     Timer<TextTrackLoader> m_cueLoadTimer;
     State m_state;
     bool m_newCuesAvailable;
 };
 
 } // namespace blink
 
 #endif