Revert "Revert 85330 - GTK: Bring global menu out of about:flags."

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 14765b84630ee50bebacfaff57794489371cb659..d8ff05d7f2e1ee6966a5f0c79f76fdc7d08eb458 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1132,11 +1132,6 @@ const char kEnableExposeForTabs[]           = "enable-expose-for-tabs";
 const char kKioskMode[]                     = "kiosk";
 #endif
 
-// Enables the experimental global gnome menu.
-#if defined(TOOLKIT_GTK)
-extern const char kGlobalGnomeMenu[]        = "global-gnome-menu";
-#endif
-
 // Enables debug paint in views framework. Enabling this causes the damaged
 // region being painted to flash in red.
 #if defined(TOOLKIT_VIEWS)