Remove GestureEventFilter and clean up related bits assuming that we turn on

content/browser/renderer_host/input/touchscreen_tap_suppression_controller.cc

-// Copyright 2013 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/touchscreen_tap_suppression_controller.h"
-
-#include "content/browser/renderer_host/input/gesture_event_filter.h"
-#include "content/browser/renderer_host/input/tap_suppression_controller.h"
-#include "ui/events/gestures/gesture_configuration.h"
-
-namespace content {
-
-TouchscreenTapSuppressionController::TouchscreenTapSuppressionController(
-    GestureEventFilter* gef)
-    : gesture_event_filter_(gef),
-      controller_(new TapSuppressionController(this)) {
-}
-
-TouchscreenTapSuppressionController::~TouchscreenTapSuppressionController() {}
-
-void TouchscreenTapSuppressionController::GestureFlingCancel() {
-  controller_->GestureFlingCancel();
-}
-
-void TouchscreenTapSuppressionController::GestureFlingCancelAck(
-    bool processed) {
-  controller_->GestureFlingCancelAck(processed);
-}
-
-bool TouchscreenTapSuppressionController::ShouldDeferGestureTapDown(
-    const GestureEventWithLatencyInfo& event) {
-  bool should_defer = controller_->ShouldDeferTapDown();
-  if (should_defer)
-    stashed_tap_down_ = event;
-  return should_defer;
-}
-
-bool TouchscreenTapSuppressionController::ShouldSuppressGestureTap() {
-  return controller_->ShouldSuppressTapUp();
-}
-
-bool TouchscreenTapSuppressionController::ShouldSuppressGestureTapCancel() {
-  return controller_->ShouldSuppressTapCancel();
-}
-
-int TouchscreenTapSuppressionController::MaxCancelToDownTimeInMs() {
-  return ui::GestureConfiguration::fling_max_cancel_to_down_time_in_ms();
-}
-
-int TouchscreenTapSuppressionController::MaxTapGapTimeInMs() {
-  return static_cast<int>(
-      ui::GestureConfiguration::semi_long_press_time_in_seconds() * 1000);
-}
-
-void TouchscreenTapSuppressionController::DropStashedTapDown() {
-}
-
-void TouchscreenTapSuppressionController::ForwardStashedTapDown() {
-  gesture_event_filter_->ForwardGestureEvent(stashed_tap_down_);
-}
-
-}  // namespace content