Support global keyboard commands on Chrome OS.

extensions/common/switches.cc

Index: extensions/common/switches.cc
diff --git a/extensions/common/switches.cc b/extensions/common/switches.cc
index f4e69465fbfc9ca50e4afd452807f16aed754ce7..9b17ad2c4b28271aaa850b97d0afce450f1f3bd6 100644
--- a/extensions/common/switches.cc
+++ b/extensions/common/switches.cc
@@ -58,9 +58,6 @@ const char kExtensionsOnChromeURLs[] = "extensions-on-chrome-urls";
 // Whether to force developer mode extensions highlighting.
 const char kForceDevModeHighlighting[] = "force-dev-mode-highlighting";
 
-// Enables setting global commands through the Extensions Commands API.
-const char kGlobalCommands[] = "global-commands";
-
 // Notify the user and require consent for extensions running scripts.
 // Appending --scripts-require-action=1 has the same effect as
 // --enable-scripts-require-action (see below).