Add a SigninAllowed policy.

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 1692 matching lines @@
 #endif
 
 // Integer location of the vertical split bar in the browser view.
 const char kDevToolsVSplitLocation[] = "devtools.v_split_location";
 
 #if defined(OS_ANDROID)
 // A boolean specifying whether a SPDY proxy is enabled.
 const char kSpdyProxyAuthEnabled[] = "spdy_proxy.enabled";
 #endif
 
+// Boolean which stores if the user is allowed to signin to chrome.
+const char kSigninAllowed[] = "signin.allowed";
+
 // 64-bit integer serialization of the base::Time when the last sync occurred.
 const char kSyncLastSyncedTime[] = "sync.last_synced_time";
 
 // Boolean specifying whether the user finished setting up sync.
 const char kSyncHasSetupCompleted[] = "sync.has_setup_completed";
 
 // Boolean specifying whether to automatically sync all data types (including
 // future ones, as they're added).  If this is true, the following preferences
 // (kSyncBookmarks, kSyncPasswords, etc.) can all be ignored.
 const char kSyncKeepEverythingSynced[] = "sync.keep_everything_synced";
@@ skipping 597 matching lines @@
 const char kRLZBrand[] = "rlz.brand";
 // Whether RLZ pings are disabled.
 const char kRLZDisabled[] = "rlz.disabled";
 #endif
 
 // The directory in user data dir that contains the profile to be used with the
 // app launcher.
 extern const char kAppListProfile[] = "app_list.profile";
 
 }  // namespace prefs