Remove fling curve profiles from renderer preferences assuming that be turn on

ui/events/gestures/gesture_configuration.cc

 // Copyright (c) 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 "ui/events/gestures/gesture_configuration.h"
 
 namespace ui {
 
 int GestureConfiguration::default_radius_ = 15;
 int GestureConfiguration::fling_max_cancel_to_down_time_in_ms_ = 400;
@@ skipping 35 matching lines @@
 // These are empirically determined defaults. Do not adjust without
 // additional empirical validation.
 float GestureConfiguration::fling_acceleration_curve_coefficients_[
     NumAccelParams] = {
   0.0166667f,
   -0.0238095f,
   0.0452381f,
   0.8f
 };
 
+// The touchpad / touchscreen fling profiles are a matched set
+// determined via UX experimentation. Do not modify without
+// first discussing with rjkroege@chromium.org or
+// wjmaclean@chromium.org.
+const float kDefaultAlpha = -5.70762e+03f;
+const float kDefaultBeta = 1.72e+02f;
+const float kDefaultGamma = 3.7e+00f;
+double GestureConfiguration::touchpad_fling_curve_alpha_ = kDefaultAlpha;
+double GestureConfiguration::touchpad_fling_curve_beta_ = kDefaultBeta;
+double GestureConfiguration::touchpad_fling_curve_gamma_ = kDefaultGamma;
+double GestureConfiguration::touchscreen_fling_curve_alpha_ = kDefaultAlpha;
+double GestureConfiguration::touchscreen_fling_curve_beta_ = kDefaultBeta;
+double GestureConfiguration::touchscreen_fling_curve_gamma_ = kDefaultGamma;
 }  // namespace ui