update obsolete code.google.com documentation links

chrome/browser/password_manager/password_store_factory.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/browser/password_manager/password_store_factory.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/environment.h"
@@ skipping 230 matching lines @@
         used_backend = GNOME_KEYRING;
       } else {
         backend.reset();
       }
 #endif  // defined(USE_GNOME_KEYRING)
     }
   }
 
   if (!backend.get()) {
     LOG(WARNING) << "Using basic (unencrypted) store for password storage. "
-        "See http://code.google.com/p/chromium/wiki/LinuxPasswordStorage for "
-        "more information about password storage options.";
+        "See "
+        "https://chromium.googlesource.com/chromium/src/+/master/docs/linux_password_storage.md"
+        " for more information about password storage options.";
   }
 
   ps = new PasswordStoreX(main_thread_runner, db_thread_runner,
                           std::move(login_db), backend.release());
   RecordBackendStatistics(desktop_env, store_type, used_backend);
 #elif defined(USE_OZONE)
   ps = new password_manager::PasswordStoreDefault(
       main_thread_runner, db_thread_runner, login_db.Pass());
 #else
   NOTIMPLEMENTED();
@@ skipping 88 matching lines @@
         break;
       case LIBSECRET:
         usage = OTHER_LIBSECRET;
         break;
     }
   }
   UMA_HISTOGRAM_ENUMERATION("PasswordManager.LinuxBackendStatistics", usage,
                             MAX_BACKEND_USAGE_VALUE);
 }
 #endif