Added authorized install with a script to do the copy.

chrome/installer/mac/app/BUILD.gn

Index: chrome/installer/mac/app/BUILD.gn
diff --git a/chrome/installer/mac/app/BUILD.gn b/chrome/installer/mac/app/BUILD.gn
index d535005c3d4bf6bde656d2c302d2850a61bc8ae8..c1ac141342302e8348427d7c21a893ff294414ed 100644
--- a/chrome/installer/mac/app/BUILD.gn
+++ b/chrome/installer/mac/app/BUILD.gn
@@ -22,18 +22,21 @@ mac_app_bundle("mac_installer_app") {
   extra_substitutions = [ "MACOSX_DEPLOYMENT_TARGET=10.9" ]
   sources = [
     "AppDelegate.m",
+    "AuthorizedInstall.m",
     "InstallerWindowController.m",
     "main.m",
   ]
 
   deps = [
     ":mac_installer_base",
+    ":mac_installer_resources",
     ":mac_installer_xibs",
   ]
 
   libs = [
     "AppKit.framework",
     "CoreFoundation.framework",
+    "Security.framework",
   ]
 }
 
@@ -43,6 +46,15 @@ mac_xib_bundle_data("mac_installer_xibs") {
   ]
 }
 
+bundle_data("mac_installer_resources") {
+  sources = [
+    "copy_to_disk.sh",
+  ]
+  outputs = [
+    "{{bundle_resources_dir}}/copy_to_disk.sh",
+  ]
+}
+
 test("mac_installer_unittests") {
   sources = [
     "testing/OmahaXMLRequest_test.mm",