Fixing issue of default launch mode when registry key is not present.

win8/delegate_execute/command_execute_impl.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.
 // Implementation of the CommandExecuteImpl class which implements the
 // IExecuteCommand and related interfaces for handling ShellExecute based
 // launches of the Chrome browser.
 
 #include "win8/delegate_execute/command_execute_impl.h"
 
 #include <shlguid.h>
@@ skipping 536 matching lines @@
   if (launch_mode_determined) {
     AtlTrace("Launch mode forced by cmdline to %s\n", modes[launch_mode]);
     reg_key.WriteValue(chrome::kLaunchModeValue,
                        static_cast<DWORD>(launch_mode));
     return launch_mode;
   }
 
   DWORD reg_value;
   if (reg_key.ReadValueDW(chrome::kLaunchModeValue,
                           &reg_value) != ERROR_SUCCESS) {
-    launch_mode = base::win::IsTouchEnabledDevice() ?
-                      ECHUIM_IMMERSIVE : ECHUIM_DESKTOP;
+    launch_mode = ECHUIM_DESKTOP;
     AtlTrace("Launch mode forced by heuristics to %s\n", modes[launch_mode]);
   } else if (reg_value >= ECHUIM_SYSTEM_LAUNCHER) {
     AtlTrace("Invalid registry launch mode value %u\n", reg_value);
     launch_mode = ECHUIM_DESKTOP;
   } else {
     launch_mode = static_cast<EC_HOST_UI_MODE>(reg_value);
     AtlTrace("Launch mode forced by registry to %s\n", modes[launch_mode]);
   }
 
   launch_mode_determined = true;
   return launch_mode;
 }