Create a public API for contributing fixes and make fixes pluggable

pkg/analysis_server/test/edit/format_test.dart

Index: pkg/analysis_server/test/edit/format_test.dart
diff --git a/pkg/analysis_server/test/edit/format_test.dart b/pkg/analysis_server/test/edit/format_test.dart
index f45990056ba030fcfd16c71fb76f0ec7df7b1069..6a8e870e099a56719e7252efc45d765546dc2b33 100644
--- a/pkg/analysis_server/test/edit/format_test.dart
+++ b/pkg/analysis_server/test/edit/format_test.dart
@@ -7,7 +7,9 @@ library test.edit.format;
 import 'dart:async';
 
 import 'package:analysis_server/src/edit/edit_domain.dart';
+import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analysis_server/src/protocol.dart';
+import 'package:analyzer/src/plugin/plugin_impl.dart';
 import 'package:unittest/unittest.dart' hide ERROR;
 
 import '../analysis_abstract.dart';
@@ -24,7 +26,24 @@ class FormatTest extends AbstractAnalysisTest {
   void setUp() {
     super.setUp();
     createProject();
-    handler = new EditDomainHandler(server);
+    ExtensionManager manager = new ExtensionManager();
+    ServerPlugin plugin = new ServerPlugin();
+    manager.processPlugins([plugin]);
+    handler = new EditDomainHandler(server, plugin);
+  }
+
+  Future test_formatNoOp() {
+    // Already formatted source
+    addTestFile('''
+main() {
+  int x = 3;
+}
+''');
+    return waitForTasksFinished().then((_) {
+      EditFormatResult formatResult = _formatAt(0, 3);
+      expect(formatResult.edits, isNotNull);
+      expect(formatResult.edits, hasLength(0));
+    });
   }
 
   Future test_formatSimple() {
@@ -48,20 +67,6 @@ main() {
     });
   }
 
-  Future test_formatNoOp() {
-    // Already formatted source
-    addTestFile('''
-main() {
-  int x = 3;
-}
-''');
-    return waitForTasksFinished().then((_) {
-      EditFormatResult formatResult = _formatAt(0, 3);
-      expect(formatResult.edits, isNotNull);
-      expect(formatResult.edits, hasLength(0));
-    });
-  }
-
   EditFormatResult _formatAt(int selectionOffset, int selectionLength) {
     Request request = new EditFormatParams(
         testFile, selectionOffset, selectionLength).toRequest('0');