Introducing the WebServiceWorkerCacheStorage.

Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp

 /*
  * 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 73 matching lines @@
 }
 
 String ServiceWorkerGlobalScope::scope(ExecutionContext* context)
 {
     return ServiceWorkerGlobalScopeClient::from(context)->scope().string();
 }
 
 PassRefPtr<CacheStorage> ServiceWorkerGlobalScope::caches(ExecutionContext* context)
 {
     if (!m_cacheStorage)
-        m_cacheStorage = CacheStorage::create();
+        m_cacheStorage = CacheStorage::create(ServiceWorkerGlobalScopeClient::from(context)->cacheStorage());
     return m_cacheStorage;
 }
 
 ScriptPromise ServiceWorkerGlobalScope::fetch(ScriptState* scriptState, Request* request)
 {
     OwnPtr<ResourceRequest> resourceRequest(request->createResourceRequest());
     resourceRequest->setRequestContext(blink::WebURLRequest::RequestContextFetch);
     return m_fetchManager->fetch(scriptState, resourceRequest.release());
 }
 
@@ skipping 26 matching lines @@
     WorkerGlobalScope::trace(visitor);
 }
 
 void ServiceWorkerGlobalScope::logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
 {
     WorkerGlobalScope::logExceptionToConsole(errorMessage, sourceURL, lineNumber, columnNumber, callStack);
     addMessageToWorkerConsole(JSMessageSource, ErrorMessageLevel, errorMessage, sourceURL, lineNumber, callStack, 0);
 }
 
 } // namespace blink