Enable TouchEvent suppression on scroll for all platforms

content/browser/renderer_host/input/immediate_input_router.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/immediate_input_router.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "content/browser/renderer_host/input/gesture_event_filter.h"
 #include "content/browser/renderer_host/input/input_ack_handler.h"
@@ skipping 69 matching lines @@
       client_(client),
       ack_handler_(ack_handler),
       routing_id_(routing_id),
       select_range_pending_(false),
       move_caret_pending_(false),
       mouse_move_pending_(false),
       mouse_wheel_pending_(false),
       has_touch_handler_(false),
       touch_event_queue_(new TouchEventQueue(this)),
       gesture_event_filter_(new GestureEventFilter(this)) {
-  enable_no_touch_to_renderer_while_scrolling_ =
-      CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kNoTouchToRendererWhileScrolling);
   DCHECK(process);
   DCHECK(client);
 }
 
 ImmediateInputRouter::~ImmediateInputRouter() {
 }
 
 void ImmediateInputRouter::Flush() {
   NOTREACHED() << "ImmediateInputRouter will never request a flush.";
 }
@@ skipping 452 matching lines @@
 
 void ImmediateInputRouter::ProcessTouchAck(
     InputEventAckState ack_result,
     const ui::LatencyInfo& latency_info) {
   // |touch_event_queue_| will forward to OnTouchEventAck when appropriate.
   touch_event_queue_->ProcessTouchAck(ack_result, latency_info);
 }
 
 void ImmediateInputRouter::HandleGestureScroll(
     const GestureEventWithLatencyInfo& gesture_event) {
-  if (enable_no_touch_to_renderer_while_scrolling_)
-    touch_event_queue_->OnGestureScrollEvent(gesture_event);
+  touch_event_queue_->OnGestureScrollEvent(gesture_event);
 }
 
 }  // namespace content