[VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary

content/browser/renderer_host/render_widget_host_view_android.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/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 1647 matching lines @@
 }
 
 // TODO(jrg): Find out the implications and answer correctly here,
 // as we are returning the WebView and not root window bounds.
 gfx::Rect RenderWidgetHostViewAndroid::GetBoundsInRootWindow() {
   return GetViewBounds();
 }
 
 void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
-  const bool event_consumed = ack_result == INPUT_EVENT_ACK_STATE_CONSUMED;
+  const ui::EventResult event_result =

[dtapuska, 2017/05/25 15:40:12]

Why is this different than aura?

+      ack_result == INPUT_EVENT_ACK_STATE_CONSUMED ? ui::ER_CONSUMED
+                                                   : ui::ER_UNHANDLED;
   gesture_provider_.OnTouchEventAck(touch.event.unique_touch_event_id,
-                                    event_consumed);
+                                    event_result);
 }
 
 void RenderWidgetHostViewAndroid::GestureEventAck(
     const blink::WebGestureEvent& event,
     InputEventAckState ack_result) {
   if (overscroll_controller_)
     overscroll_controller_->OnGestureEventAck(event, ack_result);
 
   if (content_view_core_)
     content_view_core_->OnGestureEventAck(event, ack_result);
@@ skipping 557 matching lines @@
 
   ui::WindowAndroidCompositor* compositor = window_android->GetCompositor();
   if (!compositor)
     return;
 
   overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>(
       overscroll_refresh_handler, compositor, view_.GetDipScale());
 }
 
 }  // namespace content