Remove gesture.config_is_trustworthy pref

chrome/browser/ui/gesture_prefs_observer_factory_aura.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 "chrome/browser/ui/gesture_prefs_observer_factory_aura.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 122 matching lines @@
   prefs::kFlingCurveTouchscreenAlpha,
   prefs::kFlingCurveTouchscreenBeta,
   prefs::kFlingCurveTouchscreenGamma,
 };
 
 GesturePrefsObserver::GesturePrefsObserver(PrefService* prefs)
     : prefs_(prefs) {
   // Clear for migration.
   prefs->ClearPref(kMinScrollSuccessiveVelocityEvents);
 
-  // Clear temporary pref gesture.config_is_trustworthy, so that in M33, we can
-  // remove it completely: crbug.com/269292.
-  prefs->ClearPref(prefs::kGestureConfigIsTrustworthy);
-
   registrar_.Init(prefs);
   registrar_.RemoveAll();
   base::Closure callback = base::Bind(&GesturePrefsObserver::Update,
                                       base::Unretained(this));
 
   base::Closure notify_callback = base::Bind(&GesturePrefsObserver::Notify,
                                              base::Unretained(this));
 
   for (size_t i = 0; i < arraysize(kPrefsToObserve); ++i)
     registrar_.Add(kPrefsToObserve[i], callback);
@@ skipping 285 matching lines @@
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 
   // Register for migration.
   registry->RegisterIntegerPref(
       kMinScrollSuccessiveVelocityEvents,
       0,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 
   RegisterOverscrollPrefs(registry);
   RegisterFlingCurveParameters(registry);
-
-  // Register pref for a one-time wipe of all gesture preferences.
-  registry->RegisterBooleanPref(
-      prefs::kGestureConfigIsTrustworthy,
-      false,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 bool
 GesturePrefsObserverFactoryAura::ServiceIsCreatedWithBrowserContext() const {
   // Create the observer as soon as the profile is created.
   return true;
 }
 
 content::BrowserContext*
 GesturePrefsObserverFactoryAura::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   // Use same gesture preferences on incognito windows.
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool GesturePrefsObserverFactoryAura::ServiceIsNULLWhileTesting() const {
   // Some tests replace the PrefService of the TestingProfile after the
   // GesturePrefsObserver has been created, which makes Shutdown()
   // remove the registrar from a non-existent PrefService.
   return true;
 }