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

tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html

Index: tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html
diff --git a/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html b/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html
index 13f1e0f7e122488eb5d58b0ef0f649fb6ad69335..806a54c5c3095bf0b2bda1669eed17ce7c9f12cc 100644
--- a/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html
+++ b/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.html
@@ -204,15 +204,15 @@ tr.exportTo('tr.ui.e.chrome.cc', function() {
               elementInfo = {};
               annotationGroup.forEach(function(annotation) {
                 annotation.info.forEach(function(info) {
-                  if (info.indexOf(ANNOTATION_TAG) != -1)
+                  if (info.indexOf(ANNOTATION_TAG) !== -1)
                     elementInfo.tag = info.substring(
                         info.indexOf(ANNOTATION_TAG) +
                         ANNOTATION_TAG.length).toLowerCase();
-                  else if (info.indexOf(ANNOTATION_ID) != -1)
+                  else if (info.indexOf(ANNOTATION_ID) !== -1)
                     elementInfo.id = info.substring(
                         info.indexOf(ANNOTATION_ID) +
                         ANNOTATION_ID.length);
-                  else if (info.indexOf(ANNOTATION_CLASS) != -1)
+                  else if (info.indexOf(ANNOTATION_CLASS) !== -1)
                     elementInfo.class = info.substring(
                         info.indexOf(ANNOTATION_CLASS) +
                         ANNOTATION_CLASS.length);