implement default analysis options in bazel

pkg/analyzer/lib/src/generated/bazel.dart

Index: pkg/analyzer/lib/src/generated/bazel.dart
diff --git a/pkg/analyzer/lib/src/generated/bazel.dart b/pkg/analyzer/lib/src/generated/bazel.dart
index 8d014c7c5fd0d8ffa31fefbc022ef0a0b9fe3b7c..e81f28a3a8ac2ef9b23b322e7df02262db746237 100644
--- a/pkg/analyzer/lib/src/generated/bazel.dart
+++ b/pkg/analyzer/lib/src/generated/bazel.dart
@@ -8,8 +8,10 @@ import 'dart:collection';
 import 'dart:core';
 
 import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
+import 'package:analyzer/src/generated/workspace.dart';
 import 'package:analyzer/src/util/fast_uri.dart';
 import 'package:path/path.dart';
 
@@ -139,7 +141,7 @@ class BazelPackageUriResolver extends UriResolver {
 /**
  * Information about a Bazel workspace.
  */
-class BazelWorkspace {
+class BazelWorkspace extends Workspace {
   static const String _WORKSPACE = 'WORKSPACE';
   static const String _READONLY = 'READONLY';
 
@@ -178,6 +180,23 @@ class BazelWorkspace {
   BazelWorkspace._(
       this.provider, this.root, this.readonly, this.bin, this.genfiles);
 
+  @override
+  Map<String, List<Folder>> get packageMap => null;
+
+  @override
+  UriResolver get packageUriResolver => new BazelPackageUriResolver(this);
+
+  @override
+  SourceFactory createSourceFactory(DartSdk sdk) {
+    List<UriResolver> resolvers = <UriResolver>[];
+    if (sdk != null) {
+      resolvers.add(new DartUriResolver(sdk));
+    }
+    resolvers.add(packageUriResolver);
+    resolvers.add(new BazelFileUriResolver(this));
+    return new SourceFactory(resolvers, null, provider);
+  }
+
   /**
    * Return the file with the given [absolutePath], looking first into
    * directories for generated files: `bazel-bin` and `bazel-genfiles`, and