Revert 231699 "Remove kNaturalScrollDefault."

trunk/src/chrome/browser/chromeos/login/chrome_restart_request.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 "chrome/browser/chromeos/login/chrome_restart_request.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "base/command_line.h"
@@ skipping 175 matching lines @@
       cc::switches::kSlowDownRasterScaleFactor,
       cc::switches::kTraceOverdraw,
       cc::switches::kUIDisablePartialSwap,
       cc::switches::kUIEnablePerTilePainting,
       chromeos::switches::kDbusStub,
       chromeos::switches::kDisableLoginAnimations,
       chromeos::switches::kDisableOobeAnimation,
       chromeos::switches::kHasChromeOSDiamondKey,
       chromeos::switches::kHasChromeOSKeyboard,
       chromeos::switches::kLoginProfile,
+      chromeos::switches::kNaturalScrollDefault,
       ::switches::kEnableBrowserTextSubpixelPositioning,
       ::switches::kEnableWebkitTextSubpixelPositioning,
       views::corewm::switches::kNoDropShadows,
       views::corewm::switches::kWindowAnimationsDisabled,
   };
   command_line->CopySwitchesFrom(base_command_line,
                                  kForwardSwitches,
                                  arraysize(kForwardSwitches));
 
   if (start_url.is_valid())
@@ skipping 154 matching lines @@
     // Relaunch chrome without session manager on dev box.
     ReLaunch(command_line);
     return;
   }
 
   // ChromeRestartRequest deletes itself after request sent to session manager.
   (new ChromeRestartRequest(command_line))->Start();
 }
 
 }  // namespace chromeos