Make touch drag drop and touch editing flags tri-state and turn them on by

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 73 matching lines @@
       ::switches::kDisableSeccompFilterSandbox,
       ::switches::kDisableSeccompSandbox,
       ::switches::kDisableThreadedCompositing,
       ::switches::kEnableAcceleratedOverflowScroll,
       ::switches::kEnableCompositingForFixedPosition,
       ::switches::kEnableGestureTapHighlight,
       ::switches::kDisableGestureTapHighlight,
       ::switches::kEnableLogging,
       ::switches::kEnablePinch,
       ::switches::kEnableThreadedCompositing,
+      ::switches::kEnableTouchDragDrop,
+      ::switches::kDisableTouchDragDrop,

[sky, 2013/04/24 14:44:23]

Keep these sorted.

[varunjain, 2013/04/24 18:09:25]

Done.

+      ::switches::kEnableTouchEditing,
+      ::switches::kDisableTouchEditing,
       ::switches::kEnableViewport,
       ::switches::kEnableVsyncNotification,
       ::switches::kForceDeviceScaleFactor,
       ::switches::kGpuStartupDialog,
       ::switches::kHasChromeOSDiamondKey,
       ::switches::kHasChromeOSKeyboard,
       ::switches::kNaturalScrollDefault,
       ::switches::kNoSandbox,
       ::switches::kPpapiFlashArgs,
       ::switches::kPpapiFlashInProcess,
@@ skipping 225 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