[Installer] Cleaning up dead code for App Launcher / App Host installs.

chrome/installer/util/util_constants.h

Index: chrome/installer/util/util_constants.h
diff --git a/chrome/installer/util/util_constants.h b/chrome/installer/util/util_constants.h
index 301f26f889cdb7c46cf00755d973ab989fb064da..563f5d01a154ff57a91eb4d2cc0ca247e3f58c56 100644
--- a/chrome/installer/util/util_constants.h
+++ b/chrome/installer/util/util_constants.h
@@ -148,8 +148,6 @@ namespace switches {
 
 extern const char kAutoLaunchChrome[];
 extern const char kChrome[];
-extern const char kChromeAppHostDeprecated[];  // TODO(huangs): Remove by M27.
-extern const char kChromeAppLauncher[];
 extern const char kChromeFrame[];
 extern const char kChromeSxS[];
 extern const char kConfigureUserSettings[];
@@ -160,7 +158,6 @@ extern const char kDoNotLaunchChrome[];
 extern const char kDoNotRegisterForUpdateLaunch[];
 extern const char kDoNotRemoveSharedItems[];
 extern const char kEnableLogging[];
-extern const char kEnsureGoogleUpdatePresent[];
 extern const char kForceConfigureUserSettings[];
 extern const char kForceUninstall[];
 extern const char kInstallArchive[];
@@ -202,7 +199,6 @@ extern const char kOutputFile[];
 
 extern const wchar_t kActiveSetupExe[];
 extern const wchar_t kAppLauncherGuid[];
-extern const wchar_t kChromeAppHostExe[];
 extern const wchar_t kChromeDll[];
 extern const wchar_t kChromeChildDll[];
 extern const wchar_t kChromeExe[];
@@ -216,7 +212,6 @@ extern const wchar_t kChromeNewExe[];
 extern const wchar_t kChromeOldExe[];
 extern const wchar_t kCmdOnOsUpgrade[];
 extern const wchar_t kCmdQueryEULAAcceptance[];
-extern const wchar_t kCmdQuickEnableApplicationHost[];
 extern const wchar_t kCmdQuickEnableCf[];
 extern const wchar_t kDelegateExecuteExe[];
 extern const wchar_t kEULASentinelFile[];