Remove kCmdInstallExtension and kCmdInstallApp from Installer code

chrome/installer/util/util_constants.h

 // Copyright (c) 2012 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.
 //
 // Defines all install related constants that need to be used by Chrome as
 // well as Chrome Installer.
 
 #ifndef CHROME_INSTALLER_UTIL_UTIL_CONSTANTS_H_
 #define CHROME_INSTALLER_UTIL_UTIL_CONSTANTS_H_
 
@@ skipping 196 matching lines @@
 extern const wchar_t kChromeChildDll[];
 extern const wchar_t kChromeExe[];
 extern const wchar_t kChromeFrameDll[];
 extern const wchar_t kChromeFrameHelperDll[];
 extern const wchar_t kChromeFrameHelperExe[];
 extern const wchar_t kChromeFrameHelperWndClass[];
 extern const wchar_t kChromeLauncherExe[];
 extern const wchar_t kChromeMetroDll[];
 extern const wchar_t kChromeNewExe[];
 extern const wchar_t kChromeOldExe[];
-extern const wchar_t kCmdInstallApp[];
-extern const wchar_t kCmdInstallExtension[];
 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[];
 extern const wchar_t kGoogleChromeInstallSubDir1[];
 extern const wchar_t kGoogleChromeInstallSubDir2[];
 extern const wchar_t kInstallBinaryDir[];
 extern const wchar_t kInstallerDir[];
@@ skipping 37 matching lines @@
 const int kCourgetteErrorOffset = 300;
 const int kBsdiffErrorOffset = 600;
 
 // Arguments to --patch switch
 extern const char kCourgette[];
 extern const char kBsdiff[];
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_UTIL_CONSTANTS_H_