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

content/public/common/renderer_preferences.cc

 // Copyright (c) 2012 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/public/common/renderer_preferences.h"
 
 #include "third_party/skia/include/core/SkColor.h"
 
-namespace {
-// 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;
-}
-
 namespace content {
 
 RendererPreferences::RendererPreferences()
     : can_accept_load_drops(true),
       should_antialias_text(true),
       hinting(RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT),
       use_autohinter(false),
       use_bitmaps(false),
       subpixel_rendering(
           RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT),
       use_subpixel_positioning(false),
       focus_ring_color(SkColorSetARGB(255, 229, 151, 0)),
       thumb_active_color(SkColorSetRGB(244, 244, 244)),
       thumb_inactive_color(SkColorSetRGB(234, 234, 234)),
       track_color(SkColorSetRGB(211, 211, 211)),
       active_selection_bg_color(SkColorSetRGB(30, 144, 255)),
       active_selection_fg_color(SK_ColorWHITE),
       inactive_selection_bg_color(SkColorSetRGB(200, 200, 200)),
       inactive_selection_fg_color(SkColorSetRGB(50, 50, 50)),
       browser_handles_non_local_top_level_requests(false),
       browser_handles_all_top_level_requests(false),
       caret_blink_interval(0.5),
       use_custom_colors(true),
       enable_referrers(true),
       enable_do_not_track(false),
       default_zoom_level(0),
       report_frame_name_changes(false),
-      touchpad_fling_profile(3),
-      touchscreen_fling_profile(3),
       tap_multiple_targets_strategy(TAP_MULTIPLE_TARGETS_STRATEGY_POPUP),
       disable_client_blocked_error_page(false),
       plugin_fullscreen_allowed(true) {
-  touchpad_fling_profile[0] = kDefaultAlpha;
-  touchpad_fling_profile[1] = kDefaultBeta;
-  touchpad_fling_profile[2] = kDefaultGamma;
-  touchscreen_fling_profile = touchpad_fling_profile;
 }
 
 RendererPreferences::~RendererPreferences() { }
 
 }  // namespace content