Misc Observatory tweaks.

runtime/observatory/lib/src/elements/nav/isolate_menu.dart

Index: runtime/observatory/lib/src/elements/nav/isolate_menu.dart
diff --git a/runtime/observatory/lib/src/elements/nav/isolate_menu.dart b/runtime/observatory/lib/src/elements/nav/isolate_menu.dart
index 771d785788acc3aba80168d43a9f44408eb00a50..ff7321f95b2e575f5032db7627677032b13567ff 100644
--- a/runtime/observatory/lib/src/elements/nav/isolate_menu.dart
+++ b/runtime/observatory/lib/src/elements/nav/isolate_menu.dart
@@ -79,12 +79,12 @@ class NavIsolateMenuElement extends HtmlElement implements Renderable {
           queue: _r.queue, link: Uris.cpuProfilerTable(isolate)),
       new NavMenuItemElement('allocation profile',
           queue: _r.queue, link: Uris.allocationProfiler(isolate)),
+      new NavMenuItemElement('heap snapshot',
+          queue: _r.queue, link: Uris.heapSnapshot(isolate)),
       new NavMenuItemElement('heap map',
           queue: _r.queue, link: Uris.heapMap(isolate)),
       new NavMenuItemElement('metrics',
           queue: _r.queue, link: Uris.metrics(isolate)),
-      new NavMenuItemElement('heap snapshot',
-          queue: _r.queue, link: Uris.heapSnapshot(isolate)),
       new NavMenuItemElement('persistent handles',
           queue: _r.queue, link: Uris.persistentHandles(isolate)),
       new NavMenuItemElement('ports',