Make the toggle touchscreen/touchpad shortcuts apply per-user

chrome/browser/chromeos/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 "chrome/browser/chromeos/preferences.h"
 
 #include <vector>
 
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/common/accessibility_types.h"
@@ skipping 688 matching lines @@
       }
     }
   }
 
   if (pref_name == prefs::kUse24HourClock ||
       reason != REASON_ACTIVE_USER_CHANGED) {
     const bool value = prefs_->GetBoolean(prefs::kUse24HourClock);
     user_manager::known_user::SetBooleanPref(user_->GetAccountId(),
                                              prefs::kUse24HourClock, value);
   }
+
+  system::InputDeviceSettings::Get()
+      ->UpdateTouchDevicesStatusFromActiveProfilePrefs();
 }
 
 void Preferences::OnIsSyncingChanged() {
   DVLOG(1) << "OnIsSyncingChanged";
   ForceNaturalScrollDefault();
 }
 
 void Preferences::ForceNaturalScrollDefault() {
   DVLOG(1) << "ForceNaturalScrollDefault";
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 73 matching lines @@
   touch_hud_projection_enabled_.SetValue(enabled);
 }
 
 void Preferences::ActiveUserChanged(const user_manager::User* active_user) {
   if (active_user != user_)
     return;
   ApplyPreferences(REASON_ACTIVE_USER_CHANGED, "");
 }
 
 }  // namespace chromeos