Introduce url_list to the Response scheme of CacheStorage.

third_party/WebKit/Source/platform/network/ResourceResponse.h

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * 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:
  * 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
@@ skipping 288 matching lines @@
     m_wasFallbackRequiredByServiceWorker = value;
   }
 
   WebServiceWorkerResponseType serviceWorkerResponseType() const {
     return m_serviceWorkerResponseType;
   }
   void setServiceWorkerResponseType(WebServiceWorkerResponseType value) {
     m_serviceWorkerResponseType = value;
   }
 
-  // See ServiceWorkerResponseInfo::original_url_via_service_worker.
-  const KURL& originalURLViaServiceWorker() const {
-    return m_originalURLViaServiceWorker;
+  // See ServiceWorkerResponseInfo::url_list_via_service_worker.
+  const Vector<KURL>& urlListViaServiceWorker() const {
+    return m_urlListViaServiceWorker;
   }
-  void setOriginalURLViaServiceWorker(const KURL& url) {
-    m_originalURLViaServiceWorker = url;
+  void setURLListViaServiceWorker(const Vector<KURL>& urlList) {
+    m_urlListViaServiceWorker = urlList;
   }
 
+  // Returns the last URL of urlListViaServiceWorker if exists. Otherwise
+  // returns an empty URL.
+  KURL originalURLViaServiceWorker() const;
+
   const Vector<char>& multipartBoundary() const { return m_multipartBoundary; }
   void setMultipartBoundary(const char* bytes, size_t size) {
     m_multipartBoundary.clear();
     m_multipartBoundary.append(bytes, size);
   }
 
   const String& cacheStorageCacheName() const {
     return m_cacheStorageCacheName;
   }
   void setCacheStorageCacheName(const String& cacheStorageCacheName) {
@@ skipping 132 matching lines @@
 
   // Was the resource fetched using a foreign fetch service worker.
   bool m_wasFetchedViaForeignFetch;
 
   // Was the fallback request with skip service worker flag required.
   bool m_wasFallbackRequiredByServiceWorker;
 
   // The type of the response which was fetched by the ServiceWorker.
   WebServiceWorkerResponseType m_serviceWorkerResponseType;
 
-  // The original URL of the response which was fetched by the ServiceWorker.
-  // This may be empty if the response was created inside the ServiceWorker.
-  KURL m_originalURLViaServiceWorker;
+  // The URL list of the response which was fetched by the ServiceWorker.
+  // This is empty if the response was created inside the ServiceWorker.
+  Vector<KURL> m_urlListViaServiceWorker;
 
   // The cache name of the CacheStorage from where the response is served via
   // the ServiceWorker. Null if the response isn't from the CacheStorage.
   String m_cacheStorageCacheName;
 
   // The headers that should be exposed according to CORS. Only guaranteed
   // to be set if the response was fetched by a ServiceWorker.
   Vector<String> m_corsExposedHeaderNames;
 
   // The time at which the response headers were received.  For cached
@@ skipping 65 matching lines @@
   KURL m_appCacheManifestURL;
   Vector<char> m_multipartBoundary;
   bool m_wasFetchedViaSPDY;
   bool m_wasNpnNegotiated;
   bool m_wasAlternateProtocolAvailable;
   bool m_wasFetchedViaProxy;
   bool m_wasFetchedViaServiceWorker;
   bool m_wasFetchedViaForeignFetch;
   bool m_wasFallbackRequiredByServiceWorker;
   WebServiceWorkerResponseType m_serviceWorkerResponseType;
-  KURL m_originalURLViaServiceWorker;
+  Vector<KURL> m_urlListViaServiceWorker;
   String m_cacheStorageCacheName;
   int64_t m_responseTime;
   String m_remoteIPAddress;
   unsigned short m_remotePort;
   long long m_encodedDataLength;
   long long m_encodedBodyLength;
   long long m_decodedBodyLength;
   String m_downloadedFilePath;
   RefPtr<BlobDataHandle> m_downloadedFileHandle;
 };
 
 }  // namespace blink
 
 #endif  // ResourceResponse_h