Disable AppList sync by default on non Chrome OS

chrome/common/chrome_switches.h

 // 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.
 
 // Defines all the command-line switches used by Chrome.
 
 #ifndef CHROME_COMMON_CHROME_SWITCHES_H_
 #define CHROME_COMMON_CHROME_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 101 matching lines @@
 extern const char kDisablePromptOnRepost[];
 extern const char kDisableQuic[];
 extern const char kDisableQuicHttps[];
 extern const char kDisableQuicPacing[];
 extern const char kDisableQuicPortSelection[];
 extern const char kDisableRestoreBackgroundContents[];
 extern const char kDisableSearchButtonInOmnibox[];
 extern const char kDisableScriptedPrintThrottling[];
 extern const char kDisableSpdy31[];
 extern const char kDisableSync[];
-extern const char kDisableSyncAppList[];
 extern const char kDisableSyncSessionsV2[];
 extern const char kDisableSyncSyncedNotifications[];
 extern const char kDisableSyncTypes[];
 extern const char kDisableTLSChannelID[];
 extern const char kDisableUserMediaSecurity[];
 extern const char kDisableWebResources[];
 extern const char kDisableZeroBrowsersOpenForTests[];
 extern const char kDiskCacheDir[];
 extern const char kDiskCacheSize[];
 extern const char kDnsLogDetails[];
@@ skipping 308 matching lines @@
 #else
 extern const char kEnablePrintPreview[];
 #endif
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_