Remove IDBNotFoundError ExceptionCode

Source/modules/indexeddb/IDBObjectStore.h

Index: Source/modules/indexeddb/IDBObjectStore.h
diff --git a/Source/modules/indexeddb/IDBObjectStore.h b/Source/modules/indexeddb/IDBObjectStore.h
index 2a2627f2cabb0cd8636db0a1abdc9bddb339bc84..fda09cf866be082b235d05827aba3ecfd1ee0609 100644
--- a/Source/modules/indexeddb/IDBObjectStore.h
+++ b/Source/modules/indexeddb/IDBObjectStore.h
@@ -45,6 +45,9 @@ namespace WebCore {
 
 class DOMStringList;
 class IDBAny;
+class ExceptionState;
+
+typedef int ExceptionCode;
 
 class IDBObjectStore : public ScriptWrappable, public RefCounted<IDBObjectStore> {
 public:
@@ -75,8 +78,8 @@ public:
 
     PassRefPtr<IDBIndex> createIndex(ScriptExecutionContext* context, const String& name, const String& keyPath, const Dictionary& options, ExceptionCode& ec) { return createIndex(context, name, IDBKeyPath(keyPath), options, ec); }
     PassRefPtr<IDBIndex> createIndex(ScriptExecutionContext* context, const String& name, const Vector<String>& keyPath, const Dictionary& options, ExceptionCode& ec) { return createIndex(context, name, IDBKeyPath(keyPath), options, ec); }
-    PassRefPtr<IDBIndex> index(const String& name, ExceptionCode&);
-    void deleteIndex(const String& name, ExceptionCode&);
+    PassRefPtr<IDBIndex> index(const String& name, ExceptionState&);
+    void deleteIndex(const String& name, ExceptionState&);
 
     PassRefPtr<IDBRequest> count(ScriptExecutionContext*, PassRefPtr<IDBKeyRange>, ExceptionCode&);
     PassRefPtr<IDBRequest> count(ScriptExecutionContext*, const ScriptValue& key, ExceptionCode&);