Revert 593151 as the crashes are CPU-bug related.

Bug: 882574
Change-Id: I08c0f15713bd0cd7db14017de3c0460fa29198d9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1249278Reviewed-by: Kent Tamura <tkent@chromium.org>
Commit-Queue: Fergal Daly <fergal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734333}

third_party/blink/renderer/core/dom/events/event_dispatcher.cc

@@ -202,9 +202,6 @@ DispatchEventResult EventDispatcher::Dispatch() {
                               pre_dispatch_event_handler_result) ==
       kContinueDispatching) {
     if (DispatchEventAtCapturing() == kContinueDispatching) {
-      // TODO(crbug/882574): Remove these.
-      CHECK(event_->HasEventPath());
-      CHECK(!event_->GetEventPath().IsEmpty());
       if (DispatchEventAtTarget() == kContinueDispatching)
         DispatchEventAtBubbling();
     }