Remove the 'name' and 'length' getters from IndexableObject.

pkg/analysis_server/lib/src/services/index/index.dart

Index: pkg/analysis_server/lib/src/services/index/index.dart
diff --git a/pkg/analysis_server/lib/src/services/index/index.dart b/pkg/analysis_server/lib/src/services/index/index.dart
index 3a44b4f39b93f73222151e9cd4210ab8c0e77513..5767b4cb212cd701c345ab85336e3bce06d08a7c 100644
--- a/pkg/analysis_server/lib/src/services/index/index.dart
+++ b/pkg/analysis_server/lib/src/services/index/index.dart
@@ -82,9 +82,6 @@ class IndexableName implements IndexableObject {
   IndexableObjectKind get kind => IndexableNameKind.INSTANCE;
 
   @override
-  int get length => 0;
-
-  @override
   int get offset {
     return -1;
   }
@@ -127,6 +124,12 @@ class IndexableNameKind implements IndexableObjectKind {
     throw new UnsupportedError(
         'Indexable names cannot be decoded through their kind');
   }
+
+  @override
+  int encodeHash(StringToInt stringToInt, IndexableObject indexable) {
+    String name = (indexable as IndexableName).name;
+    return stringToInt(name);
+  }
 }
 
 /**