Measure time spent running pub

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index b86781b48f6933ebcb69365f36a626f0b10273f8..0110d9805e1877ac6e3dfad23b5ab844b759c51f 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -1357,6 +1357,11 @@ class ServerPerformanceStatistics {
   static PerformanceTag notices = new PerformanceTag('notices');
 
   /**
+   * The [PerformanceTag] for time spent running pub.
+   */
+  static PerformanceTag pub = new PerformanceTag('pub');
+
+  /**
    * The [PerformanceTag] for time spent in server comminication channels.
    */
   static PerformanceTag serverChannel = new PerformanceTag('serverChannel');