Revert of scheduler: Detect single event gestures correctly

content/renderer/input/main_thread_event_queue.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/input/main_thread_event_queue.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "content/common/input/event_with_latency_info.h"
 #include "content/common/input_messages.h"
 
@@ skipping 213 matching lines @@
     if (shared_state_.events_.empty())
       return;
 
     in_flight_event_ = shared_state_.events_.Pop();
   }
   DispatchInFlightEvent();
   PossiblyScheduleMainFrame();
 }
 
 void MainThreadEventQueue::EventHandled(blink::WebInputEvent::Type type,
-                                        blink::WebInputEventResult result,
                                         InputEventAckState ack_result) {
   if (in_flight_event_) {
     for (const auto id : in_flight_event_->blockingCoalescedEventIds()) {
       client_->SendInputEventAck(routing_id_, type, ack_result, id);
       if (renderer_scheduler_) {
         renderer_scheduler_->DidHandleInputEventOnMainThread(
-            in_flight_event_->event(), result);
+            in_flight_event_->event());
       }
     }
   }
 }
 
 void MainThreadEventQueue::DispatchRafAlignedInput() {
   if (IsRafAlignedInputDisabled())
     return;
 
   std::deque<std::unique_ptr<EventWithDispatchType>> events_to_process;
@@ skipping 84 matching lines @@
     case blink::WebInputEvent::MouseWheel:
       return handle_raf_aligned_mouse_input_;
     case blink::WebInputEvent::TouchMove:
       return handle_raf_aligned_touch_input_;
     default:
       return false;
   }
 }
 
 }  // namespace content