Introduce url_list to the Response scheme of CacheStorage.

third_party/WebKit/public/platform/WebURLResponse.h

 /*
  * 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 231 matching lines @@
   // Flag whether this request was loaded using a foreign fetch service worker.
   BLINK_PLATFORM_EXPORT bool wasFetchedViaForeignFetch() const;
   BLINK_PLATFORM_EXPORT void setWasFetchedViaForeignFetch(bool);
 
   // Flag whether the fallback request with skip service worker flag was
   // required. See ServiceWorkerResponseInfo::was_fallback_required() for
   // details.
   BLINK_PLATFORM_EXPORT bool wasFallbackRequiredByServiceWorker() const;
   BLINK_PLATFORM_EXPORT void setWasFallbackRequiredByServiceWorker(bool);
 
-  // The type of the response which was fetched by the ServiceWorker.
+  // The type of the response which was served by the ServiceWorker.
   BLINK_PLATFORM_EXPORT WebServiceWorkerResponseType
   serviceWorkerResponseType() const;
   BLINK_PLATFORM_EXPORT void setServiceWorkerResponseType(
       WebServiceWorkerResponseType);
 
-  // The URL of the Response object the ServiceWorker passed to respondWith().
-  // See ServiceWorkerResponseInfo::original_url_via_service_worker() for
-  // details.
+  // The URL list of the Response object the ServiceWorker passed to
+  // respondWith(). See ServiceWorkerResponseInfo::url_list_via_service_worker()
+  // for details.
+  BLINK_PLATFORM_EXPORT void setURLListViaServiceWorker(
+      const WebVector<WebURL>&);
+
+  // Returns the last URL of the URL list of the Response object the
+  // ServiceWorker passed to respondWith() if it did. Otherwise returns an empty
+  // URL.
   BLINK_PLATFORM_EXPORT WebURL originalURLViaServiceWorker() const;
-  BLINK_PLATFORM_EXPORT void setOriginalURLViaServiceWorker(const WebURL&);
 
   // The boundary of the response. Set only when this is a multipart response.
   BLINK_PLATFORM_EXPORT void setMultipartBoundary(const char* bytes,
                                                   size_t /* size */);
 
   // The cache name of the CacheStorage from where the response is served via
   // the ServiceWorker. Null if the response isn't from the CacheStorage.
   BLINK_PLATFORM_EXPORT WebString cacheStorageCacheName() const;
   BLINK_PLATFORM_EXPORT void setCacheStorageCacheName(const WebString&);
 
   // The headers that should be exposed according to CORS. Only guaranteed
-  // to be set if the response was fetched by a ServiceWorker.
+  // to be set if the response was served by a ServiceWorker.
   BLINK_PLATFORM_EXPORT WebVector<WebString> corsExposedHeaderNames() const;
   BLINK_PLATFORM_EXPORT void setCorsExposedHeaderNames(
       const WebVector<WebString>&);
 
   // This indicates the location of a downloaded response if the
   // WebURLRequest had the downloadToFile flag set to true. This file path
   // remains valid for the lifetime of the WebURLLoader used to create it.
   BLINK_PLATFORM_EXPORT WebString downloadFilePath() const;
   BLINK_PLATFORM_EXPORT void setDownloadFilePath(const WebString&);
 
@@ skipping 43 matching lines @@
   // instance it contains.
   std::unique_ptr<ResourceResponseContainer> m_ownedResourceResponse;
 
   // Should never be null.
   ResourceResponse* m_resourceResponse;
 };
 
 }  // namespace blink
 
 #endif