Reverting this as it causes browser tests on the Linux ChromiumOS builder to fail.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 namespace prefs {
 
@@ skipping 1827 matching lines @@
 // Possible values: "stable-channel", "beta-channel", "dev-channel", or an
 // empty string, in which case the value will be ignored.
 // TODO(dubroy): This preference may not be necessary once
 // http://crosbug.com/17015 is implemented and the update engine can just
 // fetch the correct value from the policy.
 const char kChromeOsReleaseChannel[] = "cros.system.releaseChannel";
 
 // Value of the enums in TabStrip::LayoutType as an int.
 const char kTabStripLayoutType[] = "tab_strip_layout_type";
 
-// If true, cloud policy for the user is loaded once the user signs in.
-const char kLoadCloudPolicyOnSignin[] = "policy.load_cloud_policy_on_signin";
-
 // *************** SERVICE PREFS ***************
 // These are attached to the service process.
 
 const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
 // The unique id for this instance of the cloud print proxy.
 const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
 // The GAIA auth token for Cloud Print
 const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
 // The GAIA auth token used by Cloud Print to authenticate with the XMPP server
 // This should eventually go away because the above token should work for both.
@@ skipping 173 matching lines @@
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
 
 #if defined(OS_MACOSX)
 // A timestamp of when the obsolete OS infobar was last shown to a user on 10.5.
 const char kMacLeopardObsoleteInfobarLastShown[] =
     "mac_105_obsolete_infobar_last_shown";
 #endif  // defined(OS_MACOSX)
 
 }  // namespace prefs