Revert of scheduler: Detect single event gestures correctly

content/renderer/input/input_handler_manager.cc

 // Copyright 2013 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/input_handler_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 173 matching lines @@
 
   InputHandlerProxy* proxy = it->second->input_handler_proxy();
   DCHECK(proxy->scroll_elasticity_controller());
   proxy->scroll_elasticity_controller()->ObserveGestureEventAndResult(
       gesture_event, scroll_result);
 }
 
 void InputHandlerManager::NotifyInputEventHandledOnMainThread(
     int routing_id,
     blink::WebInputEvent::Type type,
-    blink::WebInputEventResult result,
     InputEventAckState ack_result) {
-  client_->NotifyInputEventHandled(routing_id, type, result, ack_result);
+  client_->NotifyInputEventHandled(routing_id, type, ack_result);
 }
 
 void InputHandlerManager::ProcessRafAlignedInputOnMainThread(int routing_id) {
   client_->ProcessRafAlignedInput(routing_id);
 }
 
 void InputHandlerManager::HandleInputEvent(
     int routing_id,
     blink::WebScopedInputEvent input_event,
     const ui::LatencyInfo& latency_info,
@@ skipping 72 matching lines @@
 void InputHandlerManager::DispatchNonBlockingEventToMainThread(
     int routing_id,
     blink::WebScopedInputEvent event,
     const ui::LatencyInfo& latency_info) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   client_->DispatchNonBlockingEventToMainThread(routing_id, std::move(event),
                                                 latency_info);
 }
 
 }  // namespace content