Introduced support for external services registration in the ServiceProtocol

runtime/observatory/lib/src/elements/css/shared.css

Index: runtime/observatory/lib/src/elements/css/shared.css
diff --git a/runtime/observatory/lib/src/elements/css/shared.css b/runtime/observatory/lib/src/elements/css/shared.css
index eb575445fdd94cc49f2369d124234972b2f5456f..daf059364aa1e8a8db771591f69ed855e50894ef 100644
--- a/runtime/observatory/lib/src/elements/css/shared.css
+++ b/runtime/observatory/lib/src/elements/css/shared.css
@@ -1802,7 +1802,8 @@ li.nav-menu:before {
   margin-left: 0.5em;
   margin-right: 0.5em;
 }
-nav.nav-bar > ul *:first-child li.nav-menu:before {
+nav.nav-bar > ul *:first-child li.nav-menu:before,
+nav.nav-bar > ul nav-reload > li:before {
   content: '';
   margin-left: 0;
   margin-right: 0;
@@ -1972,6 +1973,37 @@ nav-refresh > li {
   margin: 0;
 }
 
+/* nav-refresh */
+
+nav-reload > li > button {
+  color: #000;
+  margin: 3px;
+  padding: 8px;
+  border-width: 2px;
+  line-height: 13px;
+  font-size: 13px;
+  font: 400 'Montserrat', sans-serif;
+}
+nav-reload ul > li {
+  display: block;
+  width: 100%;
+  padding: 2px;
+}
+nav-reload ul > li > button {
+  display: inline-block;
+  padding: 8px;
+  width: 100%;
+}
+nav-reload > li > button[disabled],
+nav-reload ul > li > button[disabled] {
+  color: #aaa;
+  cursor: wait;
+}
+nav-reload > li {
+  float: right;
+  margin: 0;
+}
+
 /* object-common && class-instances */
 
 class-instances button:hover,