Display ICData entries at call sites, with links to the targets and guarded classes.

runtime/observatory/lib/src/elements/function_view.dart

Index: runtime/observatory/lib/src/elements/function_view.dart
diff --git a/runtime/observatory/lib/src/elements/function_view.dart b/runtime/observatory/lib/src/elements/function_view.dart
index 44c1d5c262339b235e9435c21acce78c339cd617..e1dc2fc87299a37c038e38bb5bf7bb09babad4b9 100644
--- a/runtime/observatory/lib/src/elements/function_view.dart
+++ b/runtime/observatory/lib/src/elements/function_view.dart
@@ -4,6 +4,7 @@
 
 library function_view_element;
 
+import 'dart:async';
 import 'observatory_element.dart';
 import 'package:observatory/service.dart';
 
@@ -19,7 +20,7 @@ class FunctionViewElement extends ObservatoryElement {
   }
 
   void refreshCoverage(var done) {
-    function.refreshCoverage().whenComplete(done);
-    function.refreshCallSiteData().whenComplete(done);
+    Future.wait([function.refreshCoverage(),
+                 function.refreshCallSiteData()]).whenComplete(done);
   }
 }