Add a new flag to the installer to prevent registering for a Google Update la...

chrome/installer/util/util_constants.cc

Index: chrome/installer/util/util_constants.cc
===================================================================
--- chrome/installer/util/util_constants.cc	(revision 26224)
+++ chrome/installer/util/util_constants.cc	(working copy)
@@ -24,6 +24,11 @@
 // Prevent installer from launching Chrome after a successful first install.
 const wchar_t kDoNotLaunchChrome[] = L"do-not-launch-chrome";
 
+// Prevents installer from writing the Google Update key that causes Google
+// Update to launch Chrome after a first install.
+const wchar_t kDoNotRegisterForUpdateLaunch[] =
+    L"do-not-register-for-update-launch";
+
 // By default we remove all shared (between users) files, registry entries etc
 // during uninstall. If this option is specified together with kUninstall option
 // we do not clean up shared entries otherwise this option is ignored.