Remove old-checkbox-style flag, code and assets

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/chromeos/chromeos_version.h"
@@ skipping 91 matching lines @@
       ::switches::kPpapiFlashPath,
       ::switches::kPpapiFlashVersion,
       ::switches::kPpapiInProcess,
       ::switches::kRendererStartupDialog,
 #if defined(USE_XI2_MT)
       ::switches::kTouchCalibration,
 #endif
       ::switches::kTouchDevices,
       ::switches::kTouchEvents,
       ::switches::kTouchOptimizedUI,
-      ::switches::kOldCheckboxStyle,
       ::switches::kUIEnablePartialSwap,
       ::switches::kUIEnableThreadedCompositing,
       ::switches::kUIPrioritizeInGpuProcess,
 #if defined(USE_CRAS)
       ::switches::kUseCras,
 #endif
       ::switches::kUseGL,
       ::switches::kUserDataDir,
       ::switches::kUseExynosVda,
       ash::switches::kAshTouchHud,
@@ skipping 183 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