SharedWorker: Make shared workers keyed by a pair of url and name

third_party/WebKit/Source/web/SharedWorkerRepositoryClientImpl.h

 /*
  * Copyright (C) 2013 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 39 matching lines @@
   static std::unique_ptr<SharedWorkerRepositoryClientImpl> create(
       WebSharedWorkerRepositoryClient* client) {
     return WTF::wrapUnique(new SharedWorkerRepositoryClientImpl(client));
   }
 
   ~SharedWorkerRepositoryClientImpl() override {}
 
   void connect(SharedWorker*,
                WebMessagePortChannelUniquePtr,
                const KURL&,
-               const String& name,
-               ExceptionState&) override;
+               const String& name) override;
   void documentDetached(Document*) override;
 
  private:
   explicit SharedWorkerRepositoryClientImpl(WebSharedWorkerRepositoryClient*);
 
   WebSharedWorkerRepositoryClient* m_client;
 };
 
 }  // namespace blink
 
 #endif  // SharedWorkerRepositoryClientImpl_h