Add support for generating lints when using the new driver

pkg/analysis_server/lib/src/context_manager.dart

Index: pkg/analysis_server/lib/src/context_manager.dart
diff --git a/pkg/analysis_server/lib/src/context_manager.dart b/pkg/analysis_server/lib/src/context_manager.dart
index 19737b8cabaac87494304f16e50c82438035c5a3..41af5d9316c7eaa5667ced58e2c08671e22df760 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -34,6 +34,9 @@ import 'package:analyzer/src/task/options.dart';
 import 'package:analyzer/src/util/absolute_path.dart';
 import 'package:analyzer/src/util/glob.dart';
 import 'package:analyzer/src/util/yaml.dart';
+import 'package:linter/src/config.dart';
+import 'package:linter/src/linter.dart';
+import 'package:linter/src/rules.dart';
 import 'package:package_config/packages.dart';
 import 'package:package_config/packages_file.dart' as pkgfile show parse;
 import 'package:package_config/src/packages_impl.dart' show MapPackages;
@@ -683,7 +686,7 @@ class ContextManagerImpl implements ContextManager {
     if (options == null && !optionsRemoved) {
       return;
     }
-    AnalysisOptions analysisOptions = info.analysisDriver.analysisOptions;
+    AnalysisOptionsImpl analysisOptions = info.analysisDriver.analysisOptions;
 
     // In case options files are removed, revert to defaults.
     if (optionsRemoved) {
@@ -703,18 +706,15 @@ class ContextManagerImpl implements ContextManager {
       }
     }
 
-    // TODO(brianwilkerson) Figure out what to do here.
-//    // Notify options processors.
-//    AnalysisEngine.instance.optionsPlugin.optionsProcessors
-//        .forEach((OptionsProcessor p) {
-//      try {
-//        p.optionsProcessed(info.context, options);
-//      } catch (e, stacktrace) {
-//        AnalysisEngine.instance.logger.logError(
-//            'Error processing analysis options',
-//            new CaughtException(e, stacktrace));
-//      }
-//    });
+    var lintOptions = options['linter'];
+    if (lintOptions != null) {
+      LintConfig config = new LintConfig.parseMap(lintOptions);
+      Iterable<LintRule> lintRules = ruleRegistry.enabled(config);
+      if (lintRules.isNotEmpty) {
+        analysisOptions.lint = true;
+        analysisOptions.lintRules = lintRules.toList();
+      }
+    }
 
     applyToAnalysisOptions(analysisOptions, options);