[turbolizer] Add support for showing perf profiling information.

tools/turbolizer/turbo-visualizer.js

Index: tools/turbolizer/turbo-visualizer.js
diff --git a/tools/turbolizer/turbo-visualizer.js b/tools/turbolizer/turbo-visualizer.js
index f39b5121656069a6e51059ff60c516e4a0d950d9..6f3f539a39c07c2127cd226ea251f53a338dbfd3 100644
--- a/tools/turbolizer/turbo-visualizer.js
+++ b/tools/turbolizer/turbo-visualizer.js
@@ -184,6 +184,15 @@ document.onload = (function(d3){
                 selectMenu.add(optionElement, null);
               }
             }
+
+            var eventMenu = document.getElementById('event-selector');
+            eventMenu.innerHTML = '';
+            for (var event in jsonObj.eventCounts) {
+              var optionElement = document.createElement("option");
+              optionElement.text = event;
+              eventMenu.add(optionElement, null);
+            }
+            disassemblyView.initializePerfProfile(jsonObj.eventCounts);
             disassemblyView.setNodePositionMap(jsonObj.nodePositions);
             disassemblyView.show(disassemblyPhase.data, null);
 
@@ -205,6 +214,10 @@ document.onload = (function(d3){
               displayPhase(jsonObj.phases[selectMenu.selectedIndex]);
             }
 
+            eventMenu.onchange = function(item) {
+              disassemblyView.show(disassemblyView.data, null);
+            }
+
             fitPanesToParents();
 
             d3.select("#search-input").attr("value", window.sessionStorage.getItem("lastSearch") || "");