Make Resource MemoryCoordinatorClient.

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerScriptCachedMetadataHandler.h

 // 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.
 
 #ifndef ServiceWorkerScriptCachedMetadataHandler_h
 #define ServiceWorkerScriptCachedMetadataHandler_h
 
 #include "core/fetch/CachedMetadataHandler.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class WorkerGlobalScope;
 class CachedMetadata;
 
 class ServiceWorkerScriptCachedMetadataHandler : public CachedMetadataHandler {
 public:
     static ServiceWorkerScriptCachedMetadataHandler* create(WorkerGlobalScope* workerGlobalScope, const KURL& scriptURL, const Vector<char>* metaData)
     {
         return new ServiceWorkerScriptCachedMetadataHandler(workerGlobalScope, scriptURL, metaData);
     }
     ~ServiceWorkerScriptCachedMetadataHandler() override;
     DECLARE_VIRTUAL_TRACE();
     void setCachedMetadata(unsigned dataTypeID, const char*, size_t, CacheType) override;
     void clearCachedMetadata(CacheType) override;
-    CachedMetadata* cachedMetadata(unsigned dataTypeID) const override;
+    PassRefPtr<CachedMetadata> cachedMetadata(unsigned dataTypeID) const override;
     String encoding() const override;
 
 private:
     ServiceWorkerScriptCachedMetadataHandler(WorkerGlobalScope*, const KURL& scriptURL, const Vector<char>* metaData);
 
     Member<WorkerGlobalScope> m_workerGlobalScope;
     KURL m_scriptURL;
     RefPtr<CachedMetadata> m_cachedMetadata;
 };
 
 } // namespace blink
 
 #endif // ServiceWorkerScriptCachedMetadataHandler_h