Add WOW64 support to the installer registry work items

chrome/test/mini_installer_test/installer_test_util.h

Index: chrome/test/mini_installer_test/installer_test_util.h
diff --git a/chrome/test/mini_installer_test/installer_test_util.h b/chrome/test/mini_installer_test/installer_test_util.h
index c55106b86171796327273080eee2d58bf25e88db..5aeb2d377d58069fc970bbac37e19c5d55ef91f7 100644
--- a/chrome/test/mini_installer_test/installer_test_util.h
+++ b/chrome/test/mini_installer_test/installer_test_util.h
@@ -33,7 +33,8 @@ bool DeleteInstallDirectory(
 // Returns true if successful, otherwise false.
 bool DeleteRegistryKey(
     bool system_level,
-    installer::InstallationValidator::InstallationType type);
+    installer::InstallationValidator::InstallationType type,
+    REGSAM wow64_access);
 
 // Locates the Chrome installation directory based on the
 // provided |system_level|. Returns true if successful, otherwise false.
@@ -81,7 +82,7 @@ bool ValidateInstall(
 // Returns true if successful, otherwise false.
 bool RunAndWaitForCommandToFinish(base::CommandLine command);
 
-}  // namespace
+}  // namespace installer_test
 
 #endif  // CHROME_TEST_MINI_INSTALLER_TEST_INSTALLER_TEST_UTIL_H_