[Presentation API] Throw NotAllowedError instead of AbortError when user closes MR dialog

third_party/WebKit/Source/modules/presentation/PresentationError.cpp

 // Copyright 2015 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/presentation/PresentationError.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "public/platform/modules/presentation/WebPresentationError.h"
 
 namespace blink {
 
 // static
 DOMException* PresentationError::take(ScriptPromiseResolver*,
                                       const WebPresentationError& error) {
   ExceptionCode code = UnknownError;
   switch (error.errorType) {
     case WebPresentationError::ErrorTypeNoAvailableScreens:
     case WebPresentationError::ErrorTypeNoPresentationFound:
       code = NotFoundError;
       break;
     case WebPresentationError::ErrorTypeSessionRequestCancelled:
-      code = AbortError;
+      code = NotAllowedError;
       break;
     case WebPresentationError::ErrorTypeAvailabilityNotSupported:
       code = NotSupportedError;
       break;
     case WebPresentationError::ErrorTypeUnknown:
       code = UnknownError;
       break;
   }
 
   return DOMException::create(code, error.message);
 }
 
 }  // namespace blink