Move OverscrollController to RenderWidgetHostViewAura

content/browser/renderer_host/input/input_router_config_helper.cc

 // Copyright 2014 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/input/input_router_config_helper.h"
 
 #include "base/command_line.h"
 #include "content/public/common/content_switches.h"
 #include "ui/events/gesture_detection/gesture_detector.h"
 
 #if defined(USE_AURA)
 #include "ui/events/gestures/gesture_configuration.h"
 #elif defined(OS_ANDROID)
 #include "ui/gfx/android/view_configuration.h"
 #include "ui/gfx/screen.h"
 #endif
 
 namespace content {
 namespace {
 
 #if defined(USE_AURA)
 
 GestureEventQueue::Config GetGestureEventQueueConfig() {
   GestureEventQueue::Config config;
 
-#if defined(OS_CHROMEOS)
-  // Default debouncing interval duration on ChromeOS: if a scroll is in
-  // progress, non-scroll events during this interval are deferred to either its
-  // end or discarded on receipt of another GestureScrollUpdate.
-  // TODO(jdduke): Disable and remove entirely when issues with spurious
-  // scroll end detection on the Pixel are resolved, crbug.com/353702.
-  const int kDebouncingIntervalTimeMs = 30;
-  config.debounce_interval =
-      base::TimeDelta::FromMilliseconds(kDebouncingIntervalTimeMs);
-#endif
+  config.debounce_interval = base::TimeDelta::FromMilliseconds(
+      ui::GestureConfiguration::scroll_debounce_interval_in_ms());
 
   config.touchscreen_tap_suppression_config.enabled = true;
   config.touchscreen_tap_suppression_config.max_cancel_to_down_time =
       base::TimeDelta::FromMilliseconds(
           ui::GestureConfiguration::fling_max_cancel_to_down_time_in_ms());
 
   config.touchscreen_tap_suppression_config.max_tap_gap_time =
       base::TimeDelta::FromMilliseconds(static_cast<int>(
           ui::GestureConfiguration::semi_long_press_time_in_seconds() * 1000));
 
@@ skipping 91 matching lines @@
 
 InputRouterImpl::Config GetInputRouterConfigForPlatform() {
   InputRouterImpl::Config config;
   config.gesture_config = GetGestureEventQueueConfig();
   config.touch_config = GetTouchEventQueueConfig();
   config.touch_config.touch_scrolling_mode = GetTouchScrollingMode();
   return config;
 }
 
 }  // namespace content