Document that LinkedExportName.name includes trailing '=' for setters.

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 a7237c9e739718c5440fe17021e1987b4aa7e1c2..927cbb369acb0c75db509e34364db864f7a78c9b 100644
--- a/pkg/analyzer/tool/summary/idl.dart
+++ b/pkg/analyzer/tool/summary/idl.dart
@@ -166,8 +166,8 @@ class LinkedDependency {
  */
 class LinkedExportName {
   /**
-   * Name of the exported entity.  TODO(paulberry): do we include the trailing
-   * '=' for a setter?
+   * Name of the exported entity.  For an exported setter, this name includes
+   * the trailing '='.
    */
   String name;