Highlight library identifiers as LIBRARY_NAME.

pkg/analysis_server/lib/src/computer/computer_highlights2.dart

Index: pkg/analysis_server/lib/src/computer/computer_highlights2.dart
diff --git a/pkg/analysis_server/lib/src/computer/computer_highlights2.dart b/pkg/analysis_server/lib/src/computer/computer_highlights2.dart
index f89d2780aa0ae10471ce7f7305f6d52881544246..5554a1c0ccd28d68e2f4549b3569471f443ea394 100644
--- a/pkg/analysis_server/lib/src/computer/computer_highlights2.dart
+++ b/pkg/analysis_server/lib/src/computer/computer_highlights2.dart
@@ -598,6 +598,12 @@ class _DartUnitHighlightsComputerVisitor2 extends RecursiveAstVisitor<Object> {
   }
 
   @override
+  Object visitLibraryIdentifier(LibraryIdentifier node) {
+    computer._addRegion_node(node, HighlightRegionType.LIBRARY_NAME);
+    return null;
+  }
+
+  @override
   Object visitListLiteral(ListLiteral node) {
     computer._addRegion_node(node, HighlightRegionType.LITERAL_LIST);
     computer._addRegion_token(node.constKeyword, HighlightRegionType.KEYWORD);