Support for showing/hiding status area volume controls in desktop devices

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
===================================================================
--- chrome/common/chrome_switches.cc	(revision 119932)
+++ chrome/common/chrome_switches.cc	(working copy)
@@ -1263,6 +1263,9 @@
 // mode. Should completely disable extensions, sync and bookmarks.
 const char kGuestSession[]                  = "bwsi";
 
+// Show volume controls in status bar on ChromeOS.
+const char kShowVolumeStatus[]              = "show-volume-status";
+
 // Indicates that stub implementations of the libcros library should be used.
 // This is typically used to test the chromeos build of chrome on the desktop.
 const char kStubCros[]                      = "stub-cros";