Revert of scheduler: Detect single event gestures correctly

content/renderer/input/input_handler_manager.h

 // 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.
 
 #ifndef CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_
 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_
 
 #include <unordered_map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 57 matching lines @@
   void RegisterRoutingID(int routing_id);
   void UnregisterRoutingID(int routing_id);
 
   void ObserveGestureEventAndResultOnMainThread(
       int routing_id,
       const blink::WebGestureEvent& gesture_event,
       const cc::InputHandlerScrollResult& scroll_result);
 
   void NotifyInputEventHandledOnMainThread(int routing_id,
                                            blink::WebInputEvent::Type,
-                                           blink::WebInputEventResult,
                                            InputEventAckState);
   void ProcessRafAlignedInputOnMainThread(int routing_id);
 
   // Callback only from the compositor's thread.
   void RemoveInputHandler(int routing_id);
 
   using InputEventAckStateCallback =
       base::Callback<void(InputEventAckState,
                           blink::WebScopedInputEvent,
                           const ui::LatencyInfo&,
@@ skipping 61 matching lines @@
   // May be null.
   SynchronousInputHandlerProxyClient* const synchronous_handler_proxy_client_;
   blink::scheduler::RendererScheduler* const renderer_scheduler_;  // Not owned.
 
   base::WeakPtrFactory<InputHandlerManager> weak_ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_