Turn back spoken feedback setting into a system-wide (non-per-user) preference

chrome/browser/chromeos/policy/login_profile_policy_provider.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/chromeos/policy/login_profile_policy_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 102 matching lines @@
   const PolicyMap& device_policy_map =
       device_policy_service_->GetPolicies(chrome_namespaces);
   scoped_ptr<PolicyBundle> bundle(new PolicyBundle);
   PolicyMap& user_policy_map = bundle->Get(chrome_namespaces);
 
   ApplyDevicePolicyAsRecommendedPolicy(
       key::kDeviceLoginScreenDefaultLargeCursorEnabled,
       key::kLargeCursorEnabled,
       device_policy_map, &user_policy_map);
   ApplyDevicePolicyAsRecommendedPolicy(
-      key::kDeviceLoginScreenDefaultSpokenFeedbackEnabled,
-      key::kSpokenFeedbackEnabled,
-      device_policy_map, &user_policy_map);
-  ApplyDevicePolicyAsRecommendedPolicy(
       key::kDeviceLoginScreenDefaultHighContrastEnabled,
       key::kHighContrastEnabled,
       device_policy_map, &user_policy_map);
   ApplyDevicePolicyAsRecommendedPolicy(
       key::kDeviceLoginScreenDefaultScreenMagnifierType,
       key::kScreenMagnifierType,
       device_policy_map, &user_policy_map);
 
   // TODO(bartfab): Consolidate power management user policies into a single
   // JSON policy, allowing the value of the device policy to be simply forwarded
@@ skipping 36 matching lines @@
     ApplyValueAsMandatoryPolicy(
         power_management_policy.GetUserActivityScreenDimDelayScale(),
         key::kUserActivityScreenDimDelayScale,
         &user_policy_map);
   }
 
   UpdatePolicy(bundle.Pass());
 }
 
 }  // namespace policy