Convert generic method errors to hints

pkg/analyzer/lib/error/error.dart

Index: pkg/analyzer/lib/error/error.dart
diff --git a/pkg/analyzer/lib/error/error.dart b/pkg/analyzer/lib/error/error.dart
index ce8b3849e9b88b43e1943e3e0c2e170d86ba0e76..dfd35523420d85eaacccc54153e31fa0a10e4279 100644
--- a/pkg/analyzer/lib/error/error.dart
+++ b/pkg/analyzer/lib/error/error.dart
@@ -516,6 +516,8 @@ abstract class ErrorCode {
     HintCode.INVALID_FACTORY_ANNOTATION,
     HintCode.INVALID_FACTORY_METHOD_DECL,
     HintCode.INVALID_FACTORY_METHOD_IMPL,
+    HintCode.INVALID_METHOD_OVERRIDE_TYPE_PARAMETERS,
+    HintCode.INVALID_METHOD_OVERRIDE_TYPE_PARAMETER_BOUND,
     HintCode.INVALID_USE_OF_PROTECTED_MEMBER,
     HintCode.IS_DOUBLE,
     HintCode.IS_INT,
@@ -553,6 +555,7 @@ abstract class ErrorCode {
     HintCode.UNUSED_LOCAL_VARIABLE,
     HintCode.UNUSED_SHOWN_NAME,
     HintCode.USE_OF_VOID_RESULT,
+    HintCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD,
     HtmlErrorCode.PARSE_ERROR,
     HtmlWarningCode.INVALID_URI,
     HtmlWarningCode.URI_DOES_NOT_EXIST,
@@ -754,6 +757,7 @@ abstract class ErrorCode {
     StaticTypeWarningCode.UNDEFINED_SUPER_SETTER,
     StaticTypeWarningCode.UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER,
     StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS,
+    StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD,
     StaticTypeWarningCode.YIELD_OF_INVALID_TYPE,
     StaticWarningCode.AMBIGUOUS_IMPORT,
     StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE,