fixes #28236, generic methods should not cause warnings in Dart 1

tests/html/html.status

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 interactive_test: Skip # Must be run manually.
 cross_frame_test: Skip # Test reloads itself. Issue 18558
 
 [ $compiler == none && ($runtime == dartium || $runtime == drt) ]
 
 mirrors_js_typed_interop_test: Fail # Missing expected failure (Issue 25044)
@@ skipping 404 matching lines @@
 mutationobserver_test: StaticWarning
 queryall_test: fail
 track_element_constructor_test: StaticWarning
 transferables_test: StaticWarning
 typed_arrays_range_checks_test: StaticWarning
 typing_test: StaticWarning
 webgl_1_test: StaticWarning
 window_nosuchmethod_test: StaticWarning
 js_typed_interop_default_arg_test/default_value: MissingCompileTimeError # Issue #25759
 
-# Issue #28236
-async_spawnuri_test: StaticWarning
-async_test: StaticWarning
-audiobuffersourcenode_test: StaticWarning
-audiocontext_test: StaticWarning
-audioelement_test: StaticWarning
-b_element_test: StaticWarning
-blob_constructor_test: StaticWarning
-cache_test: StaticWarning
-callbacks_test: StaticWarning
-canvas_pixel_array_type_alias_test: StaticWarning
-canvas_test: StaticWarning
-canvasrenderingcontext2d_test: StaticWarning
-cdata_test: StaticWarning
-client_rect_test: StaticWarning
-cross_domain_iframe_test: StaticWarning
-crypto_test: StaticWarning
-css_rule_list_test: StaticWarning
-css_test: StaticWarning
-cssstyledeclaration_test: StaticWarning
-custom/attribute_changed_callback_test: StaticWarning
-custom/constructor_calls_created_synchronously_test: StaticWarning
-custom/created_callback_test: StaticWarning
-custom/document_register_template_test: StaticWarning
-custom/document_register_type_extensions_test: StaticWarning
-custom/entered_left_view_test: StaticWarning
-custom/js_custom_test: StaticWarning
-custom/mirrors_test: StaticWarning
-custom/regress_194523002_test: StaticWarning
-custom_element_method_clash_test: StaticWarning
-custom_element_name_clash_test: StaticWarning
-custom_elements_23127_test: StaticWarning
-custom_elements_test: StaticWarning
-custom_tags_test: StaticWarning
-dart_object_local_storage_test: StaticWarning
-document_test: StaticWarning
-dom_constructors_test: StaticWarning
-domparser_test: StaticWarning
-element_animate_test: StaticWarning
-element_classes_svg_test: StaticWarning
-element_classes_test: StaticWarning
-element_constructor_1_test: StaticWarning
-element_dimensions_test: StaticWarning
-element_offset_test: StaticWarning
-element_types_constructors1_test: StaticWarning
-element_types_constructors2_test: StaticWarning
-element_types_constructors3_test: StaticWarning
-element_types_constructors4_test: StaticWarning
-element_types_constructors5_test: StaticWarning
-element_types_constructors6_test: StaticWarning
-element_types_test: StaticWarning
-event_customevent_test: StaticWarning
-event_test: StaticWarning
-exceptions_test: StaticWarning
-fileapi_test: StaticWarning
-filereader_test: StaticWarning
-filteredelementlist_test: StaticWarning
-fontface_loaded_test: StaticWarning
-fontface_test: StaticWarning
-form_data_test: StaticWarning
-form_element_test: StaticWarning
-gamepad_test: StaticWarning
-geolocation_test: StaticWarning
-hidden_dom_1_test: StaticWarning
-hidden_dom_2_test: StaticWarning
-history_test: StaticWarning
-htmlcollection_test: StaticWarning
-htmloptionscollection_test: StaticWarning
-indexeddb_1_test: StaticWarning
-indexeddb_2_test: StaticWarning
-indexeddb_3_test: StaticWarning
-indexeddb_4_test: StaticWarning
-indexeddb_5_test: StaticWarning
-input_element_test: StaticWarning
-instance_of_test: StaticWarning
-isolates_test: StaticWarning
-js_array_test: StaticWarning
-js_dart_to_string_test: StaticWarning
-js_dispatch_property_test: StaticWarning
-js_function_getter_test: StaticWarning
-js_interop_1_test: StaticWarning
-js_interop_constructor_name_test: StaticWarning
-js_test: StaticWarning
-js_type_test: StaticWarning
-js_typed_interop_anonymous2_exp_test: StaticWarning
-js_typed_interop_anonymous2_test: StaticWarning
-js_typed_interop_anonymous_exp_test: StaticWarning
-js_typed_interop_anonymous_test: StaticWarning
-js_typed_interop_anonymous_unreachable_exp_test: StaticWarning
-js_typed_interop_anonymous_unreachable_test: StaticWarning
-js_typed_interop_bind_this_test: StaticWarning
-js_typed_interop_callable_object_test: StaticWarning
-js_typed_interop_default_arg_test/explicit_argument: StaticWarning
-js_typed_interop_default_arg_test/none: StaticWarning
-js_typed_interop_side_cast_exp_test: StaticWarning
-js_typed_interop_side_cast_test: StaticWarning
-js_typed_interop_test: StaticWarning
-js_typed_interop_window_property_test: StaticWarning
-js_util_test: StaticWarning
-keyboard_event_test: StaticWarning
-location_test: StaticWarning
-media_stream_test: StaticWarning
-mediasource_test: StaticWarning
-messageevent_test: StaticWarning
-mirrors_js_typed_interop_test: StaticWarning
-mouse_event_test: StaticWarning
-native_gc_test: StaticWarning
-navigator_test: StaticWarning
-node_test: StaticWarning
-node_validator_important_if_you_suppress_make_the_bug_critical_test: StaticWarning
-non_instantiated_is_test: StaticWarning
-notification_test: StaticWarning
-performance_api_test: StaticWarning
-postmessage_structured_test: StaticWarning
-query_test: StaticWarning
-range_test: StaticWarning
-request_animation_frame_test: StaticWarning
-rtc_test: StaticWarning
-selectelement_test: StaticWarning
-serialized_script_value_test: StaticWarning
-shadow_dom_test: StaticWarning
-shadowroot_test: StaticWarning
-speechrecognition_test: StaticWarning
-storage_test: StaticWarning
-streams_test: StaticWarning
-svg_test: StaticWarning
-svgelement_test: StaticWarning
-table_test: StaticWarning
-text_event_test: StaticWarning
-touchevent_test: StaticWarning
-transition_event_test: StaticWarning
-trusted_html_tree_sanitizer_test: StaticWarning
-typed_arrays_1_test: StaticWarning
-typed_arrays_2_test: StaticWarning
-typed_arrays_3_test: StaticWarning
-typed_arrays_4_test: StaticWarning
-typed_arrays_5_test: StaticWarning
-typed_arrays_arraybuffer_test: StaticWarning
-typed_arrays_dataview_test: StaticWarning
-typed_arrays_simd_test: StaticWarning
-unknownelement_test: StaticWarning
-uri_test: StaticWarning
-url_test: StaticWarning
-webgl_extensions_test: StaticWarning
-websocket_test: StaticWarning
-websql_test: StaticWarning
-wheelevent_test: StaticWarning
-window_eq_test: StaticWarning
-window_mangling_test: StaticWarning
-window_test: StaticWarning
-worker_api_test: StaticWarning
-worker_test: StaticWarning
-wrapping_collections_test: StaticWarning
-xhr_cross_origin_test: StaticWarning
-xhr_test: StaticWarning
-xsltprocessor_test: StaticWarning
-
 [ $compiler == dart2js && $fast_startup ]
 custom/constructor_calls_created_synchronously_test: Fail # mirrors not supported
 custom/js_custom_test: Fail # mirrors not supported
 custom/mirrors_test: Fail # mirrors not supported
 mirrors_js_typed_interop_test: Fail # mirrors not supported
 
 [ $compiler == dart2js && $cps_ir && $browser ]
 js_typed_interop_side_cast_exp_test: RuntimeError # Corner case in package:js that we might want to remove (See comment in #24978).
 js_typed_interop_test/static_method_tearoff_1: RuntimeError # Tree-shaking a used tear-off (#24978, #25720).
 js_typed_interop_default_arg_test/explicit_argument: RuntimeError # Tree-shaking a used tear-off (#24978, #25720).
 
 # These are raw dart:js tests that fail due to bugs in the CPS IR:
 js_test/Dart_functions: RuntimeError # Tree-shaking an escaping closure #25720
 
 [ $compiler == dart2js && $cps_ir && $host_checked ]
 js_typed_interop_default_arg_test/none: Crash # Issue 25911
 js_typed_interop_default_arg_test/default_value: Crash # Issue 25911
 js_typed_interop_default_arg_test/explicit_argument: Crash # Issue 25911
 
 [ $compiler == dart2js && $cps_ir && $checked ]
 *: Skip # `assert` not implemented