Prevent Chrome from quitting when apps are open. (Mac)

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index b1c678cb5c20915a0c69c7dd1669051286a02dd2..d77948ee3b7421f081e9da129d2fdb293d1990a3 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1362,6 +1362,9 @@ const char kEnableSpeechDispatcher[] = "enable-speech-dispatcher";
 #endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
 
 #if defined(OS_MACOSX)
+// Prevents Chrome from quitting when Chrome Apps are open.
+const char kAppsKeepChromeAlive[]           = "apps-keep-chrome-alive";
+
 // Disables the creation and launch of app shims for platform apps.
 const char kDisableAppShims[]               = "disable-app-shims";