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

tracing/tracing/base/rect.html

Index: tracing/tracing/base/rect.html
diff --git a/tracing/tracing/base/rect.html b/tracing/tracing/base/rect.html
index 75fcadf5f654aee389cbf27852b12beab6d5719d..3245a82f40c45fc45b872cd7f507e42b25aa3e18 100644
--- a/tracing/tracing/base/rect.html
+++ b/tracing/tracing/base/rect.html
@@ -20,7 +20,7 @@ tr.exportTo('tr.b', function() {
     this.y = 0;
     this.width = 0;
     this.height = 0;
-  };
+  }
   Rect.fromXYWH = function(x, y, w, h) {
     var rect = new Rect();
     rect.x = x;
@@ -30,7 +30,7 @@ tr.exportTo('tr.b', function() {
     return rect;
   }
   Rect.fromArray = function(ary) {
-    if (ary.length != 4)
+    if (ary.length !== 4)
       throw new Error('ary.length must be 4');
     var rect = new Rect();
     rect.x = ary[0];