Remove IDBNotFoundError ExceptionCode

Source/modules/indexeddb/IDBTransaction.h

Index: Source/modules/indexeddb/IDBTransaction.h
diff --git a/Source/modules/indexeddb/IDBTransaction.h b/Source/modules/indexeddb/IDBTransaction.h
index 885810db4a493f01736abc427e9eb8fda190da5f..ef93634fef807645a03ac6f6731f18e088681bed 100644
--- a/Source/modules/indexeddb/IDBTransaction.h
+++ b/Source/modules/indexeddb/IDBTransaction.h
@@ -41,6 +41,7 @@
 namespace WebCore {
 
 class DOMError;
+class ExceptionState;
 class IDBCursor;
 class IDBDatabase;
 class IDBDatabaseBackendInterface;
@@ -60,7 +61,7 @@ public:
     static const AtomicString& modeReadOnlyLegacy();
     static const AtomicString& modeReadWriteLegacy();
 
-    static IndexedDB::TransactionMode stringToMode(const String&, ExceptionCode&);
+    static IndexedDB::TransactionMode stringToMode(const String&, ExceptionState&);
     static const AtomicString& modeToString(IndexedDB::TransactionMode);
 
     IDBDatabaseBackendInterface* backendDB() const;
@@ -75,8 +76,8 @@ public:
     const String& mode() const;
     IDBDatabase* db() const { return m_database.get(); }
     PassRefPtr<DOMError> error() const { return m_error; }
-    PassRefPtr<IDBObjectStore> objectStore(const String& name, ExceptionCode&);
-    void abort(ExceptionCode&);
+    PassRefPtr<IDBObjectStore> objectStore(const String& name, ExceptionState&);
+    void abort(ExceptionState&);
 
     class OpenCursorNotifier {
     public: