Make KEY_WLAN toggle Wi-Fi enable/disable.

ui/base/keycodes/keyboard_code_conversion_x.cc

Index: ui/base/keycodes/keyboard_code_conversion_x.cc
diff --git a/ui/base/keycodes/keyboard_code_conversion_x.cc b/ui/base/keycodes/keyboard_code_conversion_x.cc
index 82df83fd658d488ed585e8e0775e1d5af9332a37..2bfedb8a8dcbdbd0473b8c238fcbd791e8ab3ae7 100644
--- a/ui/base/keycodes/keyboard_code_conversion_x.cc
+++ b/ui/base/keycodes/keyboard_code_conversion_x.cc
@@ -386,6 +386,8 @@ KeyboardCode KeyboardCodeFromXKeysym(unsigned int keysym) {
     case XF86XK_LaunchB:  // F4 on an Apple keyboard.
     case XF86XK_Calculator:
       return VKEY_MEDIA_LAUNCH_APP2;
+    case XF86XK_WLAN:
+      return VKEY_WLAN;
     case XF86XK_MonBrightnessDown:
       return VKEY_BRIGHTNESS_DOWN;
     case XF86XK_MonBrightnessUp:
@@ -740,6 +742,8 @@ int XKeysymForWindowsKeyCode(KeyboardCode keycode, bool shift) {
       return XF86XK_LaunchA;
     case VKEY_MEDIA_LAUNCH_APP2:
       return XF86XK_LaunchB;
+    case VKEY_WLAN:
+      return XF86XK_WLAN;
     case VKEY_BRIGHTNESS_DOWN:
       return XF86XK_MonBrightnessDown;
     case VKEY_BRIGHTNESS_UP: