[Android] memory_inspector: bug / UI fixes.

tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js

Index: tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js
diff --git a/tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js b/tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js
index d13518835e4afc1ad1e23fe1d8ff60f487bbce3d..1954c7e87abd1cd041ca6059bbc682973165c513 100644
--- a/tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js
+++ b/tools/memory_inspector/memory_inspector/frontends/www_content/js/rootUi.js
@@ -8,6 +8,8 @@ this.onDomReady_ = function() {
   $('#js_loading_banner').hide();
   $('#tabs').tabs({activate: this.onTabChange_.bind(this)});
   $('#tabs').css('visibility', 'visible');
+  webservice.onServerUnreachableOrTimeout =
+      this.onServerUnreachableOrTimeout.bind(this);
 
   // Initialize the status bar.
   $('#status_messages').mouseenter(function() {
@@ -71,6 +73,12 @@ this.setStatusMessage = function(content) {
   $('#status_messages').text(content);
 };
 
+this.onServerUnreachableOrTimeout = function() {
+  timers.stopAll();
+  this.showDialog('The www service is unreachable. ' +
+                  'It probably crashed, Check the terminal output.');
+};
+
 $(document).ready(this.onDomReady_.bind(this));
 
 })();