Fire window.onerror for uncaught IndexedDB errors

Source/modules/indexeddb/IDBRequest.h

Index: Source/modules/indexeddb/IDBRequest.h
diff --git a/Source/modules/indexeddb/IDBRequest.h b/Source/modules/indexeddb/IDBRequest.h
index af1d7f51a6b0f2504bcd1aeb3eb09ee577d1d3d1..d5c60327289a0c072f514d022e72c2c039068583 100644
--- a/Source/modules/indexeddb/IDBRequest.h
+++ b/Source/modules/indexeddb/IDBRequest.h
@@ -50,8 +50,9 @@ namespace WebCore {
 
 class ExceptionState;
 class IDBCursor;
-struct IDBDatabaseMetadata;
+class ScriptCallStack;
 class SharedBuffer;
+struct IDBDatabaseMetadata;
 
 class IDBRequest
     : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<IDBRequest>
@@ -163,6 +164,8 @@ private:
     RefPtr<SharedBuffer> m_cursorValue;
     OwnPtr<Vector<blink::WebBlobInfo> > m_blobInfo;
 
+    RefPtrWillBeMember<ScriptCallStack> m_creationStackTrace;
+
     bool m_didFireUpgradeNeededEvent;
     bool m_preventPropagation;
     bool m_resultDirty;