Do not map XK_Meta_L/R to VKEY_L/RWIN.

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 ee6fe9e18360368284a1a05bb3e0668457c77ec1..bfaa569bfd72377020ed7d623c352905ef27023b 100644
--- a/ui/base/keycodes/keyboard_code_conversion_x.cc
+++ b/ui/base/keycodes/keyboard_code_conversion_x.cc
@@ -289,10 +289,8 @@ KeyboardCode KeyboardCodeFromXKeysym(unsigned int keysym) {
       return VKEY_INSERT;
     case XK_Help:
       return VKEY_HELP;
-    case XK_Meta_L:
     case XK_Super_L:
       return VKEY_LWIN;
-    case XK_Meta_R:
     case XK_Super_R:
       return VKEY_RWIN;
     case XK_Menu:
@@ -588,9 +586,9 @@ int XKeysymForWindowsKeyCode(KeyboardCode keycode, bool shift) {
       return (shift ? XK_A : XK_a) + (keycode - VKEY_A);
 
     case VKEY_LWIN:
-      return XK_Meta_L;
+      return XK_Super_L;
     case VKEY_RWIN:
-      return XK_Meta_R;
+      return XK_Super_R;
 
     case VKEY_NUMLOCK:
       return XK_Num_Lock;