Remove deprecated kBrowserActionContainerWidth pref

extensions/browser/extension_prefs.cc

 // Copyright 2014 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 "extensions/browser/extension_prefs.h"
 
 #include <iterator>
 
 #include "base/command_line.h"
 #include "base/prefs/pref_notifier.h"
@@ skipping 1966 matching lines @@
   registry->RegisterInt64Pref(
       pref_names::kNextUpdateCheck,
       0,  // default value
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterListPref(pref_names::kAllowedInstallSites,
                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterStringPref(
       pref_names::kLastChromeVersion,
       std::string(),  // default value
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-#if defined(OS_MACOSX)
-  registry->RegisterDoublePref(
-      pref_names::kBrowserActionContainerWidth,
-      0,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-#else
-  registry->RegisterIntegerPref(
-      pref_names::kBrowserActionContainerWidth,
-      0,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-#endif
   registry->RegisterDictionaryPref(
       kInstallSignature,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 
   registry->RegisterListPref(pref_names::kNativeMessagingBlacklist,
                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterListPref(pref_names::kNativeMessagingWhitelist,
                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       pref_names::kNativeMessagingUserLevelHosts,
@@ skipping 193 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions