Remove oak windows and its flags.

chrome/browser/about_flags.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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 916 matching lines @@
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableExperimentalWebPlatformFeatures)
   },
   {
     "disable-ntp-other-sessions-menu",
     IDS_FLAGS_NTP_OTHER_SESSIONS_MENU_NAME,
     IDS_FLAGS_NTP_OTHER_SESSIONS_MENU_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE(switches::kDisableNTPOtherSessionsMenu)
   },
-#if defined(USE_ASH)
-  {
-    "enable-ash-oak",
-    IDS_FLAGS_ENABLE_ASH_OAK_NAME,
-    IDS_FLAGS_ENABLE_ASH_OAK_DESCRIPTION,
-    kOsAll,
-    SINGLE_VALUE_TYPE(ash::switches::kAshEnableOak),
-  },
-#endif
   {
     "enable-devtools-experiments",
     IDS_FLAGS_ENABLE_DEVTOOLS_EXPERIMENTS_NAME,
     IDS_FLAGS_ENABLE_DEVTOOLS_EXPERIMENTS_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE(switches::kEnableDevToolsExperiments)
   },
   {
     "silent-debugger-extension-api",
     IDS_FLAGS_SILENT_DEBUGGER_EXTENSION_API_NAME,
@@ skipping 1548 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags