Cache Storage: Add Platform API to retrieve CacheStorage for origin

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 35 matching lines @@
 #include "modules/fetch/GlobalFetch.h"
 #include "modules/serviceworkers/CacheStorage.h"
 #include "modules/serviceworkers/InspectorServiceWorkerCacheAgent.h"
 #include "modules/serviceworkers/ServiceWorkerClients.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 #include "modules/serviceworkers/ServiceWorkerScriptCachedMetadataHandler.h"
 #include "modules/serviceworkers/ServiceWorkerThread.h"
 #include "modules/serviceworkers/WaitUntilObserver.h"
 #include "platform/network/ResourceRequest.h"
+#include "platform/weborigin/DatabaseIdentifier.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/WebServiceWorkerSkipWaitingCallbacks.h"
 #include "public/platform/WebURL.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 class ServiceWorkerGlobalScope::SkipWaitingCallback final : public WebServiceWorkerSkipWaitingCallbacks {
     WTF_MAKE_NONCOPYABLE(SkipWaitingCallback);
 public:
@@ skipping 33 matching lines @@
 {
 }
 
 void ServiceWorkerGlobalScope::didEvaluateWorkerScript()
 {
     m_didEvaluateScript = true;
 }
 
 CacheStorage* ServiceWorkerGlobalScope::caches(ExecutionContext* context)
 {
-    if (!m_caches)
-        m_caches = CacheStorage::create(ServiceWorkerGlobalScopeClient::from(context)->cacheStorage());
+    if (!m_caches) {
+        String identifier = createDatabaseIdentifierFromSecurityOrigin(context->securityOrigin());
+        ASSERT(!identifier.isEmpty());
+        m_caches = CacheStorage::create(Platform::current()->cacheStorage(identifier));
+    }
     return m_caches;
 }
 
 ScriptPromise ServiceWorkerGlobalScope::fetch(ScriptState* scriptState, const RequestInfo& input, const Dictionary& init, ExceptionState& exceptionState)
 {
     return GlobalFetch::fetch(scriptState, *this, input, init, exceptionState);
 }
 
 ServiceWorkerClients* ServiceWorkerGlobalScope::clients()
 {
@@ skipping 102 matching lines @@
 void ServiceWorkerGlobalScope::logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
 {
     WorkerGlobalScope::logExceptionToConsole(errorMessage, scriptId, sourceURL, lineNumber, columnNumber, callStack);
     RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, errorMessage, sourceURL, lineNumber);
     consoleMessage->setScriptId(scriptId);
     consoleMessage->setCallStack(callStack);
     addMessageToWorkerConsole(consoleMessage.release());
 }
 
 } // namespace blink