Separate version env variable for different distributions.

chrome/installer/util/browser_distribution.cc

 // Copyright (c) 2006-2009 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.
 //
 // This file defines a class that contains various method related to branding.
 // It provides only default implementations of these methods. Usually to add
 // specific branding, we will need to extend this class with a custom
 // implementation.
 
 #include "chrome/installer/util/browser_distribution.h"
@@ skipping 117 matching lines @@
 
 std::wstring BrowserDistribution::GetUninstallRegPath() {
   return L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Chromium";
 }
 
 std::wstring BrowserDistribution::GetVersionKey() {
   return L"Software\\Chromium";
 }
 
 std::wstring BrowserDistribution::GetEnvVersionKey() {
-  return L"CHROME_VERSION";
+  return L"CHROMIUM_VERSION";
 }
 
 bool BrowserDistribution::CanSetAsDefault() {
   return true;
 }
 
 bool BrowserDistribution::ShouldUseAlternateIcon() {
   return false;
 }
 
 bool BrowserDistribution::GetChromeChannel(std::wstring* channel) {
   return false;
 }
 
 void BrowserDistribution::UpdateDiffInstallStatus(bool system_install,
     bool incremental_install, installer_util::InstallStatus install_status) {
 }
 
 void BrowserDistribution::LaunchUserExperiment(
     installer_util::InstallStatus status, const installer::Version& version,
     bool system_install) {
 }
 
 
 void BrowserDistribution::InactiveUserToastExperiment(int flavor,
                                                       bool system_install) {
 }