Generate names for anonymous Java classes using enclosing classes and members.

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 8f6fe91122c23950054c78cab4e649b68d5108c4..7efc57c7b9dcce73873c3bc9f58d18508c0667f6 100644
--- a/pkg/analyzer/test/generated/parser_test.dart
+++ b/pkg/analyzer/test/generated/parser_test.dart
@@ -4426,7 +4426,7 @@ class SimpleParserTest extends ParserTestCase {
    * @throws Exception if the method could not be invoked or throws an exception
    */
   String computeStringValue(String lexeme, bool first, bool last) {
-    AnalysisErrorListener listener = new AnalysisErrorListener_35();
+    AnalysisErrorListener listener = new AnalysisErrorListener_SimpleParserTest_computeStringValue();
     Parser parser = new Parser(null, listener);
     return invokeParserMethodImpl(parser, "computeStringValue", <Object> [lexeme, first, last], null) as String;
   }
@@ -6708,7 +6708,7 @@ class SimpleParserTest extends ParserTestCase {
   }
 }
 
-class AnalysisErrorListener_35 implements AnalysisErrorListener {
+class AnalysisErrorListener_SimpleParserTest_computeStringValue implements AnalysisErrorListener {
   void onError(AnalysisError event) {
     JUnitTestCase.fail("Unexpected compilation error: ${event.message} (${event.offset}, ${event.length})");
   }