Added authorized install with a script to do the copy.

chrome/installer/mac/app/AuthorizedInstall.h

+// Copyright 2016 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.
+
+#ifndef CHROME_INSTALLER_MAC_APP_AUTHORIZEDINSTALL_H_
+#define CHROME_INSTALLER_MAC_APP_AUTHORIZEDINSTALL_H_
+
+#import <Foundation/Foundation.h>
+#import <Security/Security.h>
+
+// Calls on the other methods to install Chrome as admin
+void attemptAuthorizedInstall();
+
+// Asks the user to authenticate as admin user.
+BOOL attemptAuthorization(AuthorizationRef* authRef, OSStatus* status);
+
+// Moves the first item in args to the second item in args with root
+// permissions.
+BOOL authorizedMoveToApplications(AuthorizationRef* authRef,
+                                  OSStatus* status,
+                                  const char* toolPath,
+                                  const char** args);
+
+#endif  // CHROME_INSTALLER_MAC_APP_AUTHORIZEDINSTALL_H_