Mojo C++ bindings: remove support for generating code with mojo::Array/String/Map/WTFArray/WTFMap.

mojo/public/tools/bindings/mojom_bindings_generator.py

Index: mojo/public/tools/bindings/mojom_bindings_generator.py
diff --git a/mojo/public/tools/bindings/mojom_bindings_generator.py b/mojo/public/tools/bindings/mojom_bindings_generator.py
index 48c8c8d4cdc929590fe51fad804183f0d186970b..f5444a08eff088a1a861dad0c92aee725e67121e 100755
--- a/mojo/public/tools/bindings/mojom_bindings_generator.py
+++ b/mojo/public/tools/bindings/mojom_bindings_generator.py
@@ -166,7 +166,6 @@ class MojomProcessor(object):
             module, args.output_dir, typemap=self._typemap.get(language, {}),
             variant=args.variant, bytecode_path=args.bytecode_path,
             for_blink=args.for_blink,
-            use_new_wrapper_types=args.use_new_wrapper_types,
             use_once_callback=args.use_once_callback,
             export_attribute=args.export_attribute,
             export_header=args.export_header,
@@ -290,10 +289,6 @@ def main():
                                help="Use WTF types as generated types for mojo "
                                "string/array/map.")
   generate_parser.add_argument(
-      "--use_new_wrapper_types", action="store_true",
-      help="Map mojom array/map/string to STL (for chromium variant) or WTF "
-      "(for blink variant) types directly.")
-  generate_parser.add_argument(
       "--use_once_callback", action="store_true",
       help="Use base::OnceCallback instead of base::RepeatingCallback.")
   generate_parser.add_argument(