Move OverscrollController to RenderWidgetHostViewAura

ui/events/gestures/gesture_configuration.h

Index: ui/events/gestures/gesture_configuration.h
diff --git a/ui/events/gestures/gesture_configuration.h b/ui/events/gestures/gesture_configuration.h
index f121b75d8db84a7a3f31b4e98e066071faa4973c..08ce578eeebe91dffe8e5c0e02f2538fa8bb6799 100644
--- a/ui/events/gestures/gesture_configuration.h
+++ b/ui/events/gestures/gesture_configuration.h
@@ -182,6 +182,12 @@ class EVENTS_BASE_EXPORT GestureConfiguration {
   static int set_show_press_delay_in_ms(int val) {
     return show_press_delay_in_ms_ = val;
   }
+  static int scroll_debounce_interval_in_ms() {
+    return scroll_debounce_interval_in_ms_;
+  }
+  static int set_scroll_debounce_interval_in_ms(int val) {
+    return scroll_debounce_interval_in_ms_ = val;
+  }
   static void set_fling_acceleration_curve_coefficients(int i, float val) {
     fling_acceleration_curve_coefficients_[i] = val;
   }
@@ -250,6 +256,8 @@ class EVENTS_BASE_EXPORT GestureConfiguration {
   static double rail_start_proportion_;
   static double scroll_prediction_seconds_;
   static int show_press_delay_in_ms_;
+  static int scroll_debounce_interval_in_ms_;
+
   static float fling_acceleration_curve_coefficients_[NumAccelParams];
   static float fling_velocity_cap_;
   // TODO(davemoore): Move into chrome/browser/ui.