Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/modules/indexeddb/IDBCursor.cpp

Index: Source/modules/indexeddb/IDBCursor.cpp
diff --git a/Source/modules/indexeddb/IDBCursor.cpp b/Source/modules/indexeddb/IDBCursor.cpp
index ff30c3ed78dc6dade067d80e97f508b3ede0ffa6..45259e029c51e7be5c7229ea1650cbf4a05cfa9c 100644
--- a/Source/modules/indexeddb/IDBCursor.cpp
+++ b/Source/modules/indexeddb/IDBCursor.cpp
@@ -121,7 +121,7 @@ PassRefPtr<IDBRequest> IDBCursor::update(ScriptState* state, ScriptValue& value,
         return 0;
     }
     if (m_transaction->isReadOnly()) {
-        es.throwDOMException(ReadOnlyError);
+        es.throwUninformativeAndGenericDOMException(ReadOnlyError);
         return 0;
     }
 
@@ -238,7 +238,7 @@ PassRefPtr<IDBRequest> IDBCursor::deleteFunction(ScriptExecutionContext* context
         return 0;
     }
     if (m_transaction->isReadOnly()) {
-        es.throwDOMException(ReadOnlyError);
+        es.throwUninformativeAndGenericDOMException(ReadOnlyError);
         return 0;
     }