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 0a3d637c5c9473120537dc846f5134f0f74556c0..aec836ac528d4cf480e65faf72e33343954d0492 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1461,6 +1461,9 @@ 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";