Rename ExceptionCode constants to use the names in the spec (2/3)

Source/modules/indexeddb/IDBTransaction.cpp

Index: Source/modules/indexeddb/IDBTransaction.cpp
diff --git a/Source/modules/indexeddb/IDBTransaction.cpp b/Source/modules/indexeddb/IDBTransaction.cpp
index 5923506dc481db1b2dfff69ae0a577dca768bdc3..effab2006c9da30930a36a4ca679736ca8503c66 100644
--- a/Source/modules/indexeddb/IDBTransaction.cpp
+++ b/Source/modules/indexeddb/IDBTransaction.cpp
@@ -139,7 +139,7 @@ void IDBTransaction::setError(PassRefPtr<DOMError> error)
 PassRefPtr<IDBObjectStore> IDBTransaction::objectStore(const String& name, ExceptionCode& ec)
 {
     if (m_state == Finished) {
-        ec = INVALID_STATE_ERR;
+        ec = InvalidStateError;
         return 0;
     }
 
@@ -206,7 +206,7 @@ void IDBTransaction::setActive(bool active)
 void IDBTransaction::abort(ExceptionCode& ec)
 {
     if (m_state == Finishing || m_state == Finished) {
-        ec = INVALID_STATE_ERR;
+        ec = InvalidStateError;
         return;
     }