Add a count of type parameters to UnlinkedPublicName.

pkg/analyzer/tool/summary/idl.dart

Index: pkg/analyzer/tool/summary/idl.dart
diff --git a/pkg/analyzer/tool/summary/idl.dart b/pkg/analyzer/tool/summary/idl.dart
index 3752d292658da98717aebe5020a9088bbb445af7..939c4861edad558fb0169cd6b91b5917f2df7020 100644
--- a/pkg/analyzer/tool/summary/idl.dart
+++ b/pkg/analyzer/tool/summary/idl.dart
@@ -560,6 +560,12 @@ class UnlinkedPublicName {
    * The kind of object referred to by the name.
    */
   PrelinkedReferenceKind kind;
+
+  /**
+   * If the entity being referred to is generic, the number of type parameters
+   * it accepts.  Otherwise zero.
+   */
+  int numTypeParameters;
 }
 
 /**