Mark not-optional-parameters methods of AstFactory as deprecated.

pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart

Index: pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart
diff --git a/pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart b/pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart
index 9a5a4589a70e7024793cd30cb922a7d620692ce4..115bad594a6184c8575fa5e50ea4b4c26ab43428 100644
--- a/pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart
+++ b/pkg/analyzer/lib/src/generated/testing/ast_test_factory.dart
@@ -484,16 +484,14 @@ class AstTestFactory {
   static FieldFormalParameter fieldFormalParameter(
           Keyword keyword, TypeAnnotation type, String identifier,
           [FormalParameterList parameterList]) =>
-      astFactory.fieldFormalParameter(
-          null,
-          null,
-          keyword == null ? null : TokenFactory.tokenFromKeyword(keyword),
-          type,
-          TokenFactory.tokenFromKeyword(Keyword.THIS),
-          TokenFactory.tokenFromType(TokenType.PERIOD),
-          identifier3(identifier),
-          null,
-          parameterList);
+      astFactory.fieldFormalParameter2(
+          keyword:
+              keyword == null ? null : TokenFactory.tokenFromKeyword(keyword),
+          type: type,
+          thisKeyword: TokenFactory.tokenFromKeyword(Keyword.THIS),
+          period: TokenFactory.tokenFromType(TokenType.PERIOD),
+          identifier: identifier3(identifier),
+          parameters: parameterList);
 
   static FieldFormalParameter fieldFormalParameter2(String identifier) =>
       fieldFormalParameter(null, null, identifier);
@@ -609,8 +607,10 @@ class AstTestFactory {
   static FunctionTypedFormalParameter functionTypedFormalParameter(
           TypeAnnotation returnType, String identifier,
           [List<FormalParameter> parameters]) =>
-      astFactory.functionTypedFormalParameter(null, null, returnType,
-          identifier3(identifier), null, formalParameterList(parameters));
+      astFactory.functionTypedFormalParameter2(
+          returnType: returnType,
+          identifier: identifier3(identifier),
+          parameters: formalParameterList(parameters));
 
   static HideCombinator hideCombinator(List<SimpleIdentifier> identifiers) =>
       astFactory.hideCombinator(
@@ -1065,12 +1065,11 @@ class AstTestFactory {
 
   static SimpleFormalParameter simpleFormalParameter2(
           Keyword keyword, TypeAnnotation type, String parameterName) =>
-      astFactory.simpleFormalParameter(
-          null,
-          null,
-          keyword == null ? null : TokenFactory.tokenFromKeyword(keyword),
-          type,
-          identifier3(parameterName));
+      astFactory.simpleFormalParameter2(
+          keyword:
+              keyword == null ? null : TokenFactory.tokenFromKeyword(keyword),
+          type: type,
+          identifier: identifier3(parameterName));
 
   static SimpleFormalParameter simpleFormalParameter3(String parameterName) =>
       simpleFormalParameter2(null, null, parameterName);