Remove DDC custom error list now that strong mode analyzer handles it

lib/src/compiler/error_helpers.dart

Index: lib/src/compiler/error_helpers.dart
diff --git a/lib/src/compiler/error_helpers.dart b/lib/src/compiler/error_helpers.dart
index b0ab067ce8219a65d513ade54f7c9c938e4bf90f..091ab6251575b9f3e8551f3ebd9750ddd2a0b3e4 100644
--- a/lib/src/compiler/error_helpers.dart
+++ b/lib/src/compiler/error_helpers.dart
@@ -2,8 +2,7 @@
 // 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.
 
-import 'package:analyzer/analyzer.dart'
-    show AnalysisError, ErrorSeverity, StaticWarningCode;
+import 'package:analyzer/analyzer.dart' show AnalysisError, ErrorSeverity;
 import 'package:analyzer/source/error_processor.dart' show ErrorProcessor;
 import 'package:analyzer/src/generated/engine.dart' show AnalysisContext;
 import 'package:path/path.dart' as path;
@@ -53,123 +52,6 @@ String formatError(AnalysisContext context, AnalysisError error) {
 }
 
 ErrorSeverity errorSeverity(AnalysisContext context, AnalysisError error) {
-  var code = error.errorCode;
-  if (code is StaticWarningCode) {
-    // TODO(jmesserly): many more warnings need to be promoted for soundness.
-    // Also code generation will blow up finding null types/elements for many
-    // of these, or we rely on them to produce valid optimizations.
-    switch (code.name) {
-      case 'AMBIGUOUS_IMPORT':
-      case 'ARGUMENT_TYPE_NOT_ASSIGNABLE':
-      case 'ARGUMENT_TYPE_NOT_ASSIGNABLE_STATIC_WARNING':
-      case 'ASSIGNMENT_TO_CONST':
-      case 'ASSIGNMENT_TO_FINAL':
-      case 'ASSIGNMENT_TO_FINAL_NO_SETTER':
-      case 'ASSIGNMENT_TO_FUNCTION':
-      case 'ASSIGNMENT_TO_METHOD':
-      case 'ASSIGNMENT_TO_TYPE':
-      case 'CASE_BLOCK_NOT_TERMINATED':
-      case 'CAST_TO_NON_TYPE':
-      case 'CONCRETE_CLASS_WITH_ABSTRACT_MEMBER':
-      case 'CONFLICTING_DART_IMPORT':
-      case 'CONFLICTING_INSTANCE_GETTER_AND_SUPERCLASS_MEMBER':
-      case 'CONFLICTING_INSTANCE_METHOD_SETTER':
-      case 'CONFLICTING_INSTANCE_SETTER_AND_SUPERCLASS_MEMBER':
-      case 'CONFLICTING_STATIC_GETTER_AND_INSTANCE_SETTER':
-      case 'CONFLICTING_STATIC_SETTER_AND_INSTANCE_MEMBER':
-      case 'CONST_WITH_ABSTRACT_CLASS':
-      case 'CONST_WITH_INVALID_TYPE_PARAMETERS':
-      case 'EQUAL_KEYS_IN_MAP':
-      case 'EXPORT_DUPLICATED_LIBRARY_NAMED':
-      case 'EXTRA_POSITIONAL_ARGUMENTS':
-      case 'FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION':
-      case 'FIELD_INITIALIZER_NOT_ASSIGNABLE':
-      case 'FIELD_INITIALIZING_FORMAL_NOT_ASSIGNABLE':
-      case 'FINAL_INITIALIZED_IN_DECLARATION_AND_CONSTRUCTOR':
-      case 'FUNCTION_WITHOUT_CALL':
-      case 'IMPORT_DUPLICATED_LIBRARY_NAMED':
-      case 'IMPORT_OF_NON_LIBRARY':
-      case 'INCONSISTENT_METHOD_INHERITANCE_GETTER_AND_METHOD':
-      case 'INSTANCE_METHOD_NAME_COLLIDES_WITH_SUPERCLASS_STATIC':
-      case 'INVALID_GETTER_OVERRIDE_RETURN_TYPE':
-      case 'INVALID_METHOD_OVERRIDE_NAMED_PARAM_TYPE':
-      case 'INVALID_METHOD_OVERRIDE_NORMAL_PARAM_TYPE':
-      case 'INVALID_METHOD_OVERRIDE_OPTIONAL_PARAM_TYPE':
-      case 'INVALID_METHOD_OVERRIDE_RETURN_TYPE':
-      case 'INVALID_METHOD_OVERRIDE_TYPE_PARAMETERS':
-      case 'INVALID_METHOD_OVERRIDE_TYPE_PARAMETER_BOUND':
-      case 'INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_NAMED':
-      case 'INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_POSITIONAL':
-      case 'INVALID_OVERRIDE_NAMED':
-      case 'INVALID_OVERRIDE_POSITIONAL':
-      case 'INVALID_OVERRIDE_REQUIRED':
-      case 'INVALID_SETTER_OVERRIDE_NORMAL_PARAM_TYPE':
-      case 'LIST_ELEMENT_TYPE_NOT_ASSIGNABLE':
-      case 'MAP_KEY_TYPE_NOT_ASSIGNABLE':
-      case 'MAP_VALUE_TYPE_NOT_ASSIGNABLE':
-      case 'NEW_WITH_ABSTRACT_CLASS':
-      case 'NEW_WITH_INVALID_TYPE_PARAMETERS':
-      case 'NEW_WITH_NON_TYPE':
-      case 'NEW_WITH_UNDEFINED_CONSTRUCTOR':
-      case 'NEW_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT':
-      case 'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS':
-      case 'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FOUR':
-      case 'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE':
-      case 'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE':
-      case 'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_TWO':
-      case 'NON_TYPE_IN_CATCH_CLAUSE':
-      case 'NOT_A_TYPE':
-      case 'NOT_ENOUGH_REQUIRED_ARGUMENTS':
-      case 'PART_OF_DIFFERENT_LIBRARY':
-      case 'REDIRECT_TO_INVALID_FUNCTION_TYPE':
-      case 'REDIRECT_TO_INVALID_RETURN_TYPE':
-      case 'REDIRECT_TO_MISSING_CONSTRUCTOR':
-      case 'REDIRECT_TO_NON_CLASS':
-      case 'STATIC_ACCESS_TO_INSTANCE_MEMBER':
-      case 'SWITCH_EXPRESSION_NOT_ASSIGNABLE':
-      case 'TYPE_ANNOTATION_DEFERRED_CLASS':
-      case 'TYPE_PARAMETER_REFERENCED_BY_STATIC':
-      case 'TYPE_TEST_WITH_NON_TYPE':
-      case 'TYPE_TEST_WITH_UNDEFINED_NAME':
-      case 'UNDEFINED_CLASS':
-      case 'UNDEFINED_CLASS_BOOLEAN':
-      case 'UNDEFINED_GETTER':
-      case 'UNDEFINED_GETTER_STATIC_WARNING':
-      case 'UNDEFINED_IDENTIFIER':
-      case 'UNDEFINED_NAMED_PARAMETER':
-      case 'UNDEFINED_SETTER':
-      case 'UNDEFINED_SETTER_STATIC_WARNING':
-      case 'UNDEFINED_STATIC_METHOD_OR_GETTER':
-      case 'UNDEFINED_SUPER_GETTER':
-      case 'UNDEFINED_SUPER_GETTER_STATIC_WARNING':
-      case 'UNDEFINED_SUPER_SETTER':
-      case 'UNDEFINED_SUPER_SETTER_STATIC_WARNING':
-      case 'WRONG_NUMBER_OF_TYPE_ARGUMENTS':
-        return ErrorSeverity.ERROR;
-
-      // All of the following ones are okay as warnings.
-      case 'FINAL_NOT_INITIALIZED':
-      case 'FINAL_NOT_INITIALIZED_CONSTRUCTOR_':
-
-      // We don't rely on these for override checking, AFAIK.
-      case 'MISMATCHED_GETTER_AND_SETTER_TYPES':
-      case 'MISMATCHED_GETTER_AND_SETTER_TYPES_FROM_SUPERTYPE':
-
-      case 'MISSING_ENUM_CONSTANT_IN_SWITCH':
-      case 'MIXED_RETURN_TYPES':
-
-      // TODO(jmesserly): I think codegen already handles this for []=.
-      // Though we could simplify it if we didn't need to handle this case.
-      case 'NON_VOID_RETURN_FOR_OPERATOR':
-
-      case 'NON_VOID_RETURN_FOR_SETTER':
-      case 'RETURN_WITHOUT_VALUE':
-      case 'STATIC_WARNING':
-      case 'VOID_RETURN_FOR_GETTER':
-        break;
-    }
-  }
-
   // TODO(jmesserly): this Analyzer API totally bonkers, but it's what
   // analyzer_cli and server use.
   //