WebIDBDataLossNone 163 Source/modules/indexeddb/IDBRequestTest.cpp request->onUpgradeNeeded(oldVersion, backend.release(), metadata, blink::WebIDBDataLossNone, String()); WebIDBDataLossNone 40 Source/modules/indexeddb/IDBVersionChangeEvent.cpp : m_dataLoss(blink::WebIDBDataLossNone) WebIDBDataLossNone 59 Source/modules/indexeddb/IDBVersionChangeEvent.cpp , m_dataLoss(blink::WebIDBDataLossNone) WebIDBDataLossNone 54 Source/modules/indexeddb/IDBVersionChangeEvent.h static PassRefPtrWillBeRawPtr<IDBVersionChangeEvent> create(const AtomicString& eventType, unsigned long long oldVersion, const Nullable<unsigned long long>& newVersion, blink::WebIDBDataLoss dataLoss = blink::WebIDBDataLossNone, const String& dataLossMessage = String())