Initial experimental Kythe Dart Analysis Server protocol

pkg/analysis_server/test/integration/support/integration_test_methods.dart

Index: pkg/analysis_server/test/integration/support/integration_test_methods.dart
diff --git a/pkg/analysis_server/test/integration/support/integration_test_methods.dart b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
index 93cb1d4abb217159ebec85ce7184bb5a7c6c2f5b..a566054e606236d620cac88c72f5e533ec96aa7d 100644
--- a/pkg/analysis_server/test/integration/support/integration_test_methods.dart
+++ b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
@@ -2036,6 +2036,38 @@ abstract class IntegrationTestMixin {
     return null;
   }
 
+  /**
+   * Return the list of KytheEntry objects for some file, given the current
+   * state of the file system populated by "analysis.updateContent".
+   *
+   * Parameters
+   *
+   * file: FilePath
+   *
+   *   The file containing the code for which the Kythe Entry objects are being
+   *   requested.
+   *
+   * Returns
+   *
+   * entries: List<KytheEntry>
+   *
+   *   The list of KytheEntry objects for the queried file.
+   *
+   * files: List<FilePath>
+   *
+   *   The set of files paths that were required, but not in the file system,
+   *   to give a complete and accurate Kythe graph for the file. This could be
+   *   due to a referenced file that does not exist or generated files not
+   *   being generated or passed before the call to "getKytheEntries".
+   */
+  Future<KytheGetKytheEntriesResult> sendKytheGetKytheEntries(
+      String file) async {
+    var params = new KytheGetKytheEntriesParams(file).toJson();
+    var result = await server.send("kythe.getKytheEntries", params);
+    ResponseDecoder decoder = new ResponseDecoder(null);
+    return new KytheGetKytheEntriesResult.fromJson(decoder, 'result', result);
+  }
+
   /**
    * Initialize the fields in InttestMixin, and ensure that notifications will
    * be handled.