Convert ContextBuilder to use FolderBasedSdk

pkg/analyzer/test/src/context/mock_sdk.dart

Index: pkg/analyzer/test/src/context/mock_sdk.dart
diff --git a/pkg/analyzer/test/src/context/mock_sdk.dart b/pkg/analyzer/test/src/context/mock_sdk.dart
index 0ebc01f0bd0a5849e72b574a748b698dc03b33aa..08b16e3793613956f9fa1157f199af7911870d0c 100644
--- a/pkg/analyzer/test/src/context/mock_sdk.dart
+++ b/pkg/analyzer/test/src/context/mock_sdk.dart
@@ -12,6 +12,18 @@ import 'package:analyzer/src/generated/engine.dart' show AnalysisEngine;
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 
+const String librariesContent = r'''
+const Map<String, LibraryInfo> libraries = const {
+  "async": const LibraryInfo("async/async.dart"),
+  "collection": const LibraryInfo("collection/collection.dart"),
+  "convert": const LibraryInfo("convert/convert.dart"),
+  "core": const LibraryInfo("core/core.dart"),
+  "html": const LibraryInfo("html/dartium/html_dartium.dart"),
+  "math": const LibraryInfo("math/math.dart"),
+  "_foreign_helper": const LibraryInfo("_internal/js_runtime/lib/foreign_helper.dart"),
+};
+''';
+
 const _MockSdkLibrary _LIB_ASYNC = const _MockSdkLibrary(
     'dart:async',
     '/lib/async/async.dart',

[scheglov, 2016/08/10 21:25:43]

We might want to use different paths for SDK files.
Now, when we put them into the shared ResourceProvider, it's not nice to put
/lib directly into the root :-)

[Brian Wilkerson, 2016/08/10 21:41:32]

I thought about that, then forgot. Done.

@@ -327,6 +339,8 @@ class MockSdk implements DartSdk {
         provider.newFile(path, content);
       });
     }
+    provider.newFile(
+        '/_internal/sdk_library_metadata/lib/libraries.dart', librariesContent);
   }
 
   @override