GTK: Remove the global bookmarks menu. It can't be implemented efficiently.

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 c66fb0231a39390f14e21de53898d02c47de6e95..c956e09ab518fe03204a353f84c2244b21346351 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1118,6 +1118,14 @@ const char kEnableExposeForTabs[]           = "enable-expose-for-tabs";
 const char kKioskMode[]                     = "kiosk";
 #endif
 
+#if defined(TOOLKIT_GTK)
+// Enables the global bookmark menu in our global menu bar on Ubuntu
+// Natty. This is disabled because of issues where dbus will hang for over a
+// minute because it doesn't like it when we thrown hundreds of kilobytes (or
+// even megabytes) of favicon data at it.
+const char kEnableGlobalBookmarkMenu[]     = "enable-global-bookmark-menu";
+#endif
+
 #if defined(TOOLKIT_VIEWS)
 // Enables debug paint in views framework. Enabling this causes the damaged
 // region being painted to flash in red.