Add documentationComment for Class to Kernel. Parse it. Resynthesize in Analyzer.

pkg/front_end/lib/src/incremental/kernel_driver.dart

 // Copyright (c) 2017, 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.
 
 import 'dart:async';
 
 import 'package:front_end/file_system.dart';
 import 'package:front_end/src/base/api_signature.dart';
 import 'package:front_end/src/base/performace_logger.dart';
 import 'package:front_end/src/fasta/compiler_command_line.dart';
@@ skipping 202 matching lines @@
           var reader = new BinaryBuilder(bytes);
           reader.readProgram(program);
 
           await appendNewDillLibraries(program);
 
           return new LibraryCycleResult(cycle, signature, program.libraries);
         });
       }
 
       // Create KernelTarget and configure it for compiling the cycle URIs.
-      KernelTarget kernelTarget =
-          new KernelTarget(_fsState.fileSystemView, dillTarget, _uriTranslator);
+      KernelTarget kernelTarget = new KernelTarget(
+          _fsState.fileSystemView, true, dillTarget, _uriTranslator);
       for (FileState library in cycle.libraries) {
         kernelTarget.read(library.uri);
       }
 
       // Compile the cycle libraries into a new full program.
       Program program = await _logger
           .runAsync('Compile ${cycle.libraries.length} libraries', () async {
         await kernelTarget.buildOutlines(nameRoot: nameRoot);
         return await kernelTarget.buildProgram();
       });
@@ skipping 134 matching lines @@
 
   LibraryCycleResult(this.cycle, this.signature, this.kernelLibraries);
 }
 
 @visibleForTesting
 class _TestView {
   /// The list of [LibraryCycle]s compiled for the last delta.
   /// It does not include libraries which were read from the cache.
   final List<LibraryCycle> compiledCycles = [];
 }