Change the non-blocking event queue to the main thread event queue.

content/renderer/input/non_blocking_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/non_blocking_event_queue.h"
-
-namespace content {
-
-NonBlockingEventQueue::NonBlockingEventQueue(
-    int routing_id,
-    NonBlockingEventQueueClient* client)
-    : routing_id_(routing_id), client_(client) {}
-
-NonBlockingEventQueue::~NonBlockingEventQueue() {}
-
-void NonBlockingEventQueue::HandleEvent(const blink::WebInputEvent* event,
-                                        const ui::LatencyInfo& latency) {
-  if (event->type == blink::WebInputEvent::MouseWheel) {
-    if (wheel_events_.state() == WebInputEventQueueState::ITEM_PENDING) {
-      wheel_events_.Queue(MouseWheelEventWithLatencyInfo(
-          *static_cast<const blink::WebMouseWheelEvent*>(event), latency));
-    } else {
-      wheel_events_.set_state(WebInputEventQueueState::ITEM_PENDING);
-      client_->SendNonBlockingEvent(routing_id_, event, latency);
-    }
-  } else if (blink::WebInputEvent::isTouchEventType(event->type)) {
-    if (touch_events_.state() == WebInputEventQueueState::ITEM_PENDING) {
-      touch_events_.Queue(TouchEventWithLatencyInfo(
-          *static_cast<const blink::WebTouchEvent*>(event), latency));
-    } else {
-      touch_events_.set_state(WebInputEventQueueState::ITEM_PENDING);
-      client_->SendNonBlockingEvent(routing_id_, event, latency);
-    }
-  } else {
-    NOTREACHED() << "Invalid passive event type";
-  }
-}
-
-void NonBlockingEventQueue::EventHandled(blink::WebInputEvent::Type type) {
-  if (type == blink::WebInputEvent::MouseWheel) {
-    if (!wheel_events_.empty()) {
-      scoped_ptr<MouseWheelEventWithLatencyInfo> event = wheel_events_.Pop();
-
-      client_->SendNonBlockingEvent(routing_id_, &event->event, event->latency);
-    } else {
-      wheel_events_.set_state(WebInputEventQueueState::ITEM_NOT_PENDING);
-    }
-  } else if (blink::WebInputEvent::isTouchEventType(type)) {
-    if (!touch_events_.empty()) {
-      scoped_ptr<TouchEventWithLatencyInfo> event = touch_events_.Pop();
-      client_->SendNonBlockingEvent(routing_id_, &event->event, event->latency);
-    } else {
-      touch_events_.set_state(WebInputEventQueueState::ITEM_NOT_PENDING);
-    }
-  } else {
-    NOTREACHED() << "Invalid passive event type";
-  }
-}
-
-}  // namespace content