Add device policy definition for local accounts.

chrome/browser/chromeos/settings/cros_settings_names.cc

Index: chrome/browser/chromeos/settings/cros_settings_names.cc
diff --git a/chrome/browser/chromeos/settings/cros_settings_names.cc b/chrome/browser/chromeos/settings/cros_settings_names.cc
index 64820501f254b965c2bb163eb0de1774c6c03323..4b92c64d38d36fe0726f13867ec46a4789dc9920 100644
--- a/chrome/browser/chromeos/settings/cros_settings_names.cc
+++ b/chrome/browser/chromeos/settings/cros_settings_names.cc
@@ -16,6 +16,11 @@ const char kAccountsPrefShowUserNamesOnSignIn[]
 const char kAccountsPrefUsers[] = "cros.accounts.users";
 const char kAccountsPrefEphemeralUsersEnabled[] =
     "cros.accounts.ephemeralUsersEnabled";
+const char kAccountsPrefLocalAccounts[] = "cros.accounts.localAccounts";
+
+// Keys for the dictionary entries in kAccountsPrefLocalAccounts.
+const char kLocalAccountId[] = "Id";
+const char kLocalAccountName[] = "Name";
 
 // Name of signed setting persisted on device, writeable only by owner.
 const char kSettingProxyEverywhere[] = "cros.proxy.everywhere";