Implement Main Thread RAF Aligned Input

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 174 matching lines @@
       gesture_event, scroll_result);
 }
 
 void InputHandlerManager::NotifyInputEventHandledOnMainThread(
     int routing_id,
     blink::WebInputEvent::Type type,
     InputEventAckState ack_result) {
   client_->NotifyInputEventHandled(routing_id, type, ack_result);
 }
 
+void InputHandlerManager::ProcessVSyncAlignedInputOnMainThread(int routing_id) {
+  client_->ProcessVSyncAlignedInput(routing_id);
+}
+
 InputEventAckState InputHandlerManager::HandleInputEvent(
     int routing_id,
     const WebInputEvent* input_event,
     ui::LatencyInfo* latency_info) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   TRACE_EVENT1("input,benchmark", "InputHandlerManager::HandleInputEvent",
                  "type", WebInputEventTraits::GetName(input_event->type));
 
   auto it = input_handlers_.find(routing_id);
   if (it == input_handlers_.end()) {
@@ skipping 36 matching lines @@
 
 void InputHandlerManager::DidStopFlinging(int routing_id) {
   client_->DidStopFlinging(routing_id);
 }
 
 void InputHandlerManager::DidAnimateForInput() {
   renderer_scheduler_->DidAnimateForInputOnCompositorThread();
 }
 
 }  // namespace content