Remove the kHideFullscreenToolbar Preference

chrome/browser/ui/browser_ui_prefs.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/ui/browser_ui_prefs.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
@@ skipping 94 matching lines @@
   // crack at the start of the main event loop. By that time,
   // StartupBrowserCreator has already created the browser window, and it's too
   // late: we need the pref to be already initialized. Doing it here also saves
   // us from having to hard-code pref registration in the several unit tests
   // that use this preference.
   registry->RegisterBooleanPref(prefs::kShowUpdatePromotionInfoBar, true);
   registry->RegisterBooleanPref(
       prefs::kShowFullscreenToolbar,
       true,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
-  registry->RegisterBooleanPref(
-      prefs::kHideFullscreenToolbar,
-      false,
-      user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 #else
   registry->RegisterBooleanPref(prefs::kFullscreenAllowed, true);
 #endif
 }
 
 }  // namespace chrome