Allow --enable-experimental-extension-apis in incognito mode when TOUCH_UI is defined.

chrome/browser/chromeos/login/login_utils.cc

 // Copyright (c) 2011 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/login_utils.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 414 matching lines @@
       switches::kNoFirstRun,
       switches::kLoginProfile,
       switches::kCompressSystemFeedback,
       switches::kDisableSeccompSandbox,
       switches::kPpapiFlashInProcess,
       switches::kPpapiFlashPath,
       switches::kPpapiFlashVersion,
 #if defined(HAVE_XINPUT2)
       switches::kTouchDevices,
 #endif
+#if defined(TOUCH_UI)
+      // The virtual keyboard extension for TOUCH_UI (chrome://keyboard) highly
+      // relies on experimental APIs.
+      switches::kEnableExperimentalExtensionApis,
+#endif
   };
   command_line->CopySwitchesFrom(base_command_line,
                                  kForwardSwitches,
                                  arraysize(kForwardSwitches));
   command_line->AppendSwitch(switches::kGuestSession);
   command_line->AppendSwitch(switches::kIncognito);
   command_line->AppendSwitchASCII(switches::kLoggingLevel,
                                  kGuestModeLoggingLevel);
 
   command_line->AppendSwitchASCII(switches::kLoginUser, kGuestUserName);
@@ skipping 150 matching lines @@
   // Mark login host for deletion after browser starts.  This
   // guarantees that the message loop will be referenced by the
   // browser before it is dereferenced by the login host.
   if (login_host) {
     login_host->OnSessionStart();
     login_host = NULL;
   }
 }
 
 }  // namespace chromeos