Make more use of generated classes in analysis server.

pkg/analysis_server/test/services/correction/fix_test.dart

Index: pkg/analysis_server/test/services/correction/fix_test.dart
diff --git a/pkg/analysis_server/test/services/correction/fix_test.dart b/pkg/analysis_server/test/services/correction/fix_test.dart
index cd1311544351e675c741c86e85e2d1d6b199e495..45215b8c3188f943435b8c05ad41da95e2c59e05 100644
--- a/pkg/analysis_server/test/services/correction/fix_test.dart
+++ b/pkg/analysis_server/test/services/correction/fix_test.dart
@@ -41,7 +41,7 @@ class FixProcessorTest extends AbstractSingleUnitTest {
     // apply to "file"
     List<FileEdit> fileEdits = change.fileEdits;
     expect(fileEdits, hasLength(1));
-    resultCode = Edit.applySequence(testCode, change.fileEdits[0].edits);
+    resultCode = applySequence(testCode, change.fileEdits[0].edits);
     // verify
     expect(resultCode, expected);
   }