Convert constructor initializers in endInitializers() and other tweaks.

pkg/analyzer/test/generated/parser_test.dart

Index: pkg/analyzer/test/generated/parser_test.dart
diff --git a/pkg/analyzer/test/generated/parser_test.dart b/pkg/analyzer/test/generated/parser_test.dart
index 20c2daa06da3cade86e444bf33a9ece344b7b8d9..cadc950d3de74dd403e5e8a208ec59d11be2bfeb 100644
--- a/pkg/analyzer/test/generated/parser_test.dart
+++ b/pkg/analyzer/test/generated/parser_test.dart
@@ -99,10 +99,6 @@ abstract class AbstractParserTestCase implements ParserTestHelpers {
   CompilationUnit parseCompilationUnit(String source,
       [List<ErrorCode> errorCodes = const <ErrorCode>[]]);
 
-  /// TODO(paulberry): merge with [parseCompilationUnit]
-  CompilationUnit parseCompilationUnitWithOptions(String source,
-      [List<ErrorCode> errorCodes = const <ErrorCode>[]]);
-
   ConditionalExpression parseConditionalExpression(String code);
 
   Expression parseConstExpression(String code);
@@ -1787,7 +1783,7 @@ class C {
   }
 
   void test_topLevelFunction_nestedGenericFunction() {
-    parseCompilationUnitWithOptions('''
+    parseCompilationUnit('''
 void f() {
   void g<T>() {
   }