LibWeb: Move DOMException from DOM/ to WebIDL/

Author: https://github.com/linusg
Commit: bbaa05fcf9
Pull-request: https://github.com/SerenityOS/serenity/pull/15357
Reviewed-by: https://github.com/awesomekling ✅

Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp

@@ -126,7 +126,7 @@ WebIDL::ExceptionOr<void> DOMStringMap::set_value_of_new_named_property(String c
         if (current_character == '-' && character_index + 1 < name.length()) {
             auto next_character = name[character_index + 1];
             if (is_ascii_lower_alpha(next_character))
-                return DOM::SyntaxError::create(global_object(), "Name cannot contain a '-' followed by a lowercase character.");
+                return WebIDL::SyntaxError::create(global_object(), "Name cannot contain a '-' followed by a lowercase character.");
         }
 
         // 2. For each ASCII upper alpha in name, insert a U+002D HYPHEN-MINUS character (-) before the character and replace the character with the same character converted to ASCII lowercase.