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

third_party/WebKit/Source/core/fetch/ScriptResource.cpp

Index: third_party/WebKit/Source/core/fetch/ScriptResource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ScriptResource.cpp b/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
index 9ce2ada102749e6ecd6acca583d9752e9402abf4..db3a8daf21ed83ca472cd79dacd3d585f8b0417d 100644
--- a/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
+++ b/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
@@ -49,6 +49,7 @@ ScriptResource* ScriptResource::fetch(FetchRequest& request, ResourceFetcher* fe
 ScriptResource::ScriptResource(const ResourceRequest& resourceRequest, const ResourceLoaderOptions& options, const String& charset)
     : TextResource(resourceRequest, Script, options, "application/javascript", charset)
     , m_integrityDisposition(ScriptIntegrityDisposition::NotChecked)
+    , m_v8CacheStrategiesForCacheStorage(V8CacheStrategiesForCacheStorageDefault)
 {
 }
 
@@ -120,4 +121,17 @@ bool ScriptResource::mustRefetchDueToIntegrityMetadata(const FetchRequest& reque
     return !IntegrityMetadata::setsEqual(m_integrityMetadata, request.integrityMetadata());
 }
 
+bool ScriptResource::cacheMetadataSendToPlatformDisabled() const
+{
+    if (m_response.cacheStorageCacheName().isNull())
+        return false;
+    // Currently we don't support V8 code cache in CacheStorage by default.
+    return m_v8CacheStrategiesForCacheStorage == V8CacheStrategiesForCacheStorageNone || m_v8CacheStrategiesForCacheStorage == V8CacheStrategiesForCacheStorageDefault;
+}
+
+bool ScriptResource::shouldAggressivelyCacheMetadata() const
+{
+    return !m_response.cacheStorageCacheName().isNull() && m_v8CacheStrategiesForCacheStorage == V8CacheStrategiesForCacheStorageAggressive;
+}
+
 } // namespace blink