title: zone.js violation warnings on console in Angular project only on Chrome
body: <p>I've an Angular 4 project created using <code>@angular/cli</code>, when running the application in development mode, I receive those warnings in the console:</p>
  
  <pre><code>zone.js:1489 [Violation] 'setTimeout' handler took 209ms
  2[Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  2zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'wheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  2zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'wheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive.
  </code></pre>
  
  <p>The weird thing is that warning appear on <strong>Chrome only.</strong> (my chrome build version is: <code>58.0.3029.110</code>)</p>
  
  <ol>
  <li>What does those (violation) warnings mean?</li>
  <li>Is this harmful to application performance?</li>
  <li>How to disable/override or configure zone.js to remove those warnings?</li>
  </ol>