Fix about:tracing recording a second trace.

TBR=jbates@chromium.org

Review URL: http://codereview.chromium.org/8562009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110990 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/tracing/timeline.js

@@ -119,7 +119,7 @@ cr.define('tracing', function() {
         window.clearInterval(this.checkForAttachInterval_);
         this.checkForAttachInterval_ = undefined;
       }
-      this.iframe_.removeListener('resize', this.onResizeBoundToThis_);
+      this.iframe_.removeEventListener('resize', this.onResizeBoundToThis_);
       this.parentEl_.removeChild(this.iframe_);
     },