Add options to write version number to registry.

chrome/installer/util/util_constants.cc

Index: chrome/installer/util/util_constants.cc
diff --git a/chrome/installer/util/util_constants.cc b/chrome/installer/util/util_constants.cc
index a1afbcd33f9cf11681db3df4695c28614aac46ef..ce2b0a057631dbbdf8517f32fbc36c0f3bbae14b 100644
--- a/chrome/installer/util/util_constants.cc
+++ b/chrome/installer/util/util_constants.cc
@@ -31,6 +31,11 @@ const char kConfigureUserSettings[] = "configure-user-settings";
 // in-use Chrome should be restarted ASAP.
 const char kCriticalUpdateVersion[] = "critical-update-version";
 
+// Setting this will delay the operation of setup by the specified number of
+// seconds.  This is used when changing the DisplayVersion registry value
+// only after some time has passed, called by the MSI installer.
+const char kDelay[] = "delay";
+
 // Delete user profile data. This param is useful only when specified with
 // kUninstall, otherwise it is silently ignored.
 const char kDeleteProfile[] = "delete-profile";
@@ -134,6 +139,12 @@ const char kRemoveChromeRegistration[] = "remove-chrome-registration";
 // line flag so that we try the launch only once.
 const char kRunAsAdmin[] = "run-as-admin";
 
+// Set the MSI-managed DisplayVersion in the registry to match Chrome's real
+// version number. The parameter to this option specifies the registry path
+// under HKLM.
+const char kSetDisplayVersionPath[] = "set-display-version-path";
+const char kSetDisplayVersionValue[] = "set-display-version-value";
+
 // Combined with --uninstall, signals to setup.exe that this uninstall was
 // triggered by a self-destructing Chrome.
 const char kSelfDestruct[] = "self-destruct";