lib/third_party/tracing/base/event.js
function dispatchSimpleEvent(target, type, opt_bubbles, opt_cancelable) {
    var e = new tr.b.Event(type, opt_bubbles, opt_cancelable);
    return target.dispatchEvent(e);
  }
function dispatchSimpleEvent(target, type, opt_bubbles, opt_cancelable) {
    var e = new tr.b.Event(type, opt_bubbles, opt_cancelable);
    return target.dispatchEvent(e);
  }
function dispatchSimpleEvent ( target , type , opt_bubbles , opt_cancelable ) { var e = new tr . b . Event ( type , opt_bubbles , opt_cancelable ) ; return target . dispatchEvent ( e ) ; }
Dispatches a simple event on an event target.
@param {!EventTarget} target The event target to dispatch the event on.
@param {string} type The type of the event.
@param {boolean=} opt_bubbles Whether the event bubbles or not.
@param {boolean=} opt_cancelable Whether the default action of the event
can be prevented.
@return {boolean} If any of the listeners called {@code preventDefault}
during the dispatch this will return false.
Dispatches a simple event on an event target .