Revert "ChromeOS: Add SystemTimezoneAutomaticDetection policy."

chrome/browser/policy/configuration_policy_handler_list_factory.cc

 // Copyright 2013 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/policy/configuration_policy_handler_list_factory.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <utility>
 
@@ skipping 532 matching lines @@
   { key::kWelcomePageOnOSUpgradeEnabled,
     prefs::kWelcomePageOnOSUpgradeEnabled,
     base::Value::TYPE_BOOLEAN },
 #endif  // OS_WIN
 
 #if !defined(OS_ANDROID)
   { key::kSuppressUnsupportedOSWarning,
     prefs::kSuppressUnsupportedOSWarning,
     base::Value::TYPE_BOOLEAN },
 #endif  // !OS_ANDROID
-
-#if defined(OS_CHROMEOS)
-  { key::kSystemTimezoneAutomaticDetection,
-    prefs::kSystemTimezoneAutomaticDetectionPolicy,
-    base::Value::TYPE_INTEGER },
-#endif
 };
 
 class ForceSafeSearchPolicyHandler : public TypeCheckingPolicyHandler {
  public:
   ForceSafeSearchPolicyHandler()
       : TypeCheckingPolicyHandler(key::kForceSafeSearch,
                                   base::Value::TYPE_BOOLEAN) {}
   ~ForceSafeSearchPolicyHandler() override {}
 
   // ConfigurationPolicyHandler implementation:
@@ skipping 264 matching lines @@
       SimpleSchemaValidatingPolicyHandler::RECOMMENDED_ALLOWED,
       SimpleSchemaValidatingPolicyHandler::MANDATORY_PROHIBITED)));
   handlers->AddHandler(make_scoped_ptr(
       new chromeos::KeyPermissionsPolicyHandler(chrome_schema)));
 #endif  // defined(OS_CHROMEOS)
 
   return handlers;
 }
 
 }  // namespace policy