Added authorized install with a script to do the copy.

chrome/installer/mac/app/AuthorizedInstall.h

Index: chrome/installer/mac/app/AuthorizedInstall.h
diff --git a/chrome/installer/mac/app/AuthorizedInstall.h b/chrome/installer/mac/app/AuthorizedInstall.h
new file mode 100644
index 0000000000000000000000000000000000000000..8ee0efafb9c82e5311b09407b7d6bbc952fe739a
--- /dev/null
+++ b/chrome/installer/mac/app/AuthorizedInstall.h
@@ -0,0 +1,22 @@
+// 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>
+
+@interface AuthorizedInstall : NSObject
+
+// Attempts to gain elevated permissions and starts a subprocess.
+- (BOOL)loadInstallationTool;
+
+// Signals the tool to begin the installation. Returns the path to the
+// installed app.
+- (NSString*)startInstall:(NSString*)appBundlePath;
+
+@end
+
+#endif  // CHROME_INSTALLER_MAC_APP_AUTHORIZEDINSTALL_H_