Change all == to === and != to !== in trace viewer.

tracing/tracing/base/xhr.html

Index: tracing/tracing/base/xhr.html
diff --git a/tracing/tracing/base/xhr.html b/tracing/tracing/base/xhr.html
index b4835f72ab8be1f9e426b80610a9275161223cb9..cde65905a0130d364e5c8c577deca65456549c61 100644
--- a/tracing/tracing/base/xhr.html
+++ b/tracing/tracing/base/xhr.html
@@ -35,7 +35,7 @@ tr.exportTo('tr.b', function() {
 
     if (!async) {
       req.send(data);
-      if (req.status == 200) {
+      if (req.status === 200) {
         return req.responseText;
       } else {
         throw new Error('XHR failed with status ' + req.status);
@@ -44,9 +44,9 @@ tr.exportTo('tr.b', function() {
 
     var p = new Promise(function(resolve, reject) {
       req.onreadystatechange = function(aEvt) {
-        if (req.readyState == 4) {
+        if (req.readyState === 4) {
           window.setTimeout(function() {
-            if (req.status == 200) {
+            if (req.status === 200) {
               if (req.responseType === 'arraybuffer')
                 return resolve(req.response);
               return resolve(req.responseText);