[login_manager] Code to add the owner to the whitelist in a device policy

owner_key.cc

 // Copyright (c) 2011 The Chromium OS 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 "login_manager/owner_key.h"
 
 #include <base/crypto/rsa_private_key.h>
 #include <base/file_path.h>
 #include <base/file_util.h>
 #include <base/logging.h>
@@ skipping 26 matching lines @@
 bool OwnerKey::Equals(const std::string& key_der) const {
   return VEquals(std::vector<uint8>(key_der.c_str(),
                                     key_der.c_str() + key_der.length()));
 }
 
 bool OwnerKey::VEquals(const std::vector<uint8>& key_der) const {
   return ((key_.empty() == key_der.empty()) &&
           memcmp(&key_der[0], &key_[0], key_.size()) == 0);
 }
 
-bool OwnerKey::HaveCheckedDisk() { return have_checked_disk_; }
+bool OwnerKey::HaveCheckedDisk() const { return have_checked_disk_; }
 
-bool OwnerKey::IsPopulated() { return !key_.empty(); }
+bool OwnerKey::IsPopulated() const { return !key_.empty(); }
 
 bool OwnerKey::PopulateFromDiskIfPossible() {
   have_checked_disk_ = true;
   if (!file_util::PathExists(key_file_)) {
     LOG(INFO) << "No owner key on disk.";
     return true;
   }
 
   int32 safe_file_size = 0;
   if (!utils_->EnsureAndReturnSafeFileSize(key_file_, &safe_file_size)) {
@@ skipping 119 matching lines @@
 int OwnerKey::StartGeneration(ChildJobInterface* generator) {
   int pid = fork();
   if (pid == 0) {
     generator->Run();
     exit(1);  // Run() is not supposed to return.
   }
   return pid;
 }
 
 }  // namespace login_manager