Implement 'Import Library' Quick Fix for the new analysis driver.

pkg/analysis_server/lib/src/edit/edit_domain.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library edit.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/assist/assist_core.dart';
 import 'package:analysis_server/plugin/edit/assist/assist_dart.dart';
@@ skipping 170 matching lines @@
     List<AnalysisErrorFixes> errorFixesList = <AnalysisErrorFixes>[];
     if (server.options.enableNewAnalysisDriver) {
       AnalysisResult result = await server.getAnalysisResult(file);
       if (result != null) {
         CompilationUnit unit = result.unit;
         LineInfo lineInfo = result.lineInfo;
         int requestLine = lineInfo.getLocation(offset).lineNumber;
         for (engine.AnalysisError error in result.errors) {
           int errorLine = lineInfo.getLocation(error.offset).lineNumber;
           if (errorLine == requestLine) {
-            var context = new _DartFixContextImpl(server.resourceProvider,
-                (String name) async {
-              // TODO(scheglov) implement for the new driver
-              return [];
-            }, unit.element.context, unit, error);
+            var context = new _DartFixContextImpl(
+                server.resourceProvider,
+                result.driver.getTopLevelNameDeclarations,
+                unit.element.context,
+                unit,
+                error);
             List<Fix> fixes =
                 await new DefaultFixContributor().internalComputeFixes(context);
             if (fixes.isNotEmpty) {
               AnalysisError serverError =
                   newAnalysisError_fromEngine(lineInfo, error);
               AnalysisErrorFixes errorFixes =
                   new AnalysisErrorFixes(serverError);
               errorFixesList.add(errorFixes);
               fixes.forEach((fix) {
                 errorFixes.fixes.add(fix.change);
@@ skipping 753 matching lines @@
     }
     return new RefactoringStatus();
   }
 }
 
 /**
  * [_RefactoringManager] throws instances of this class internally to stop
  * processing in a manager that was reset.
  */
 class _ResetError {}