add 'Aura' to version if USE_AURA on windows

chrome/common/chrome_version_info_win.cc

Index: chrome/common/chrome_version_info_win.cc
diff --git a/chrome/common/chrome_version_info_win.cc b/chrome/common/chrome_version_info_win.cc
index 01b8e47c8a8d882b7b3ba706093a7211bcfef9d1..5eda30ebdccb62aff21e1431d4b24dfc5ec112b6 100644
--- a/chrome/common/chrome_version_info_win.cc
+++ b/chrome/common/chrome_version_info_win.cc
@@ -25,6 +25,9 @@ std::string VersionInfo::GetVersionStringModifier() {
     GoogleUpdateSettings::GetChromeChannelAndModifiers(is_system_install,
                                                        &channel);
   }
+#if defined(USE_AURA)
+  channel += L" Aura";
+#endif
   return UTF16ToASCII(channel);
 #else
   return std::string();