Introduce Platform::cacheMetadataInCacheStorage() to store V8 code cache in CacheStorage

third_party/WebKit/Source/core/fetch/Resource.h

Index: third_party/WebKit/Source/core/fetch/Resource.h
diff --git a/third_party/WebKit/Source/core/fetch/Resource.h b/third_party/WebKit/Source/core/fetch/Resource.h
index 35e2f003e65d92010b6738bfba3d47434b7cce94..e258d036f33b821c5819444a53b6edc8fae0cc7c 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.h
+++ b/third_party/WebKit/Source/core/fetch/Resource.h
@@ -292,6 +292,9 @@ protected:
     // Returns the memory dump name used for tracing. See Resource::onMemoryDump.
     String getMemoryDumpName() const;
 
+    virtual bool cacheMetadataSendToPlatformDisabled() const { return false; }
+    virtual bool shouldAggressivelyCacheMetadata() const { return false; }
+
     ResourceRequest m_resourceRequest;
     ResourceRequest m_revalidatingRequest;
     Member<ResourceLoader> m_loader;
@@ -322,6 +325,7 @@ private:
 
     RefPtr<CachedMetadata> m_cachedMetadata;
     Member<CacheHandler> m_cacheHandler;
+    RefPtr<SecurityOrigin> m_fetcherSecurityOrigin;
 
     ResourceError m_error;