Ensure acks are sent for all blocking events.

content/renderer/render_widget.cc

 // Copyright (c) 2012 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/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 976 matching lines @@
 void RenderWidget::OnDidOverscroll(const DidOverscrollParams& params) {
   Send(new InputHostMsg_DidOverscroll(routing_id_, params));
 }
 
 void RenderWidget::OnInputEventAck(
     std::unique_ptr<InputEventAck> input_event_ack) {
   Send(new InputHostMsg_HandleInputEvent_ACK(routing_id_, *input_event_ack));
 }
 
 void RenderWidget::NotifyInputEventHandled(
-    blink::WebInputEvent::Type handled_type) {
+    blink::WebInputEvent::Type handled_type,
+    InputEventAckState ack_result) {
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   InputHandlerManager* input_handler_manager =
       render_thread ? render_thread->input_handler_manager() : NULL;
   if (input_handler_manager) {
-    input_handler_manager->NotifyInputEventHandledOnMainThread(routing_id_,
-                                                               handled_type);
+    input_handler_manager->NotifyInputEventHandledOnMainThread(
+        routing_id_, handled_type, ack_result);
   }
 }
 
 void RenderWidget::SetInputHandler(RenderWidgetInputHandler* input_handler) {
   // Nothing to do here. RenderWidget created the |input_handler| and will take
   // ownership of it. We just verify here that we don't already have an input
   // handler.
   DCHECK(!input_handler_);
 }
 
@@ skipping 1078 matching lines @@
 }
 
 float RenderWidget::GetOriginalDeviceScaleFactor() const {
   return
       screen_metrics_emulator_ ?
       screen_metrics_emulator_->original_screen_info().deviceScaleFactor :
       device_scale_factor_;
 }
 
 }  // namespace content