Do not map XK_Meta_L/R to VKEY_L/RWIN.

ui/base/keycodes/keyboard_code_conversion_x.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/keycodes/keyboard_code_conversion_x.h"
 
 #define XK_3270  // for XK_3270_BackTab
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
@@ skipping 271 matching lines @@
       return VKEY_SELECT;
     case XK_Print:
       return VKEY_PRINT;
     case XK_Execute:
       return VKEY_EXECUTE;
     case XK_Insert:
     case XK_KP_Insert:
       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:
       return VKEY_APPS;
     case XK_F1:
     case XK_F2:
     case XK_F3:
     case XK_F4:
     case XK_F5:
     case XK_F6:
@@ skipping 275 matching lines @@
     case VKEY_T:
     case VKEY_U:
     case VKEY_V:
     case VKEY_W:
     case VKEY_X:
     case VKEY_Y:
     case VKEY_Z:
       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;
 
     case VKEY_SCROLL:
       return XK_Scroll_Lock;
 
     case VKEY_OEM_1:
       return shift ? XK_colon : XK_semicolon;
     case VKEY_OEM_PLUS:
@@ skipping 43 matching lines @@
     case VKEY_F24:
       return XK_F1 + (keycode - VKEY_F1);
 
     default:
       LOG(WARNING) << "Unknown keycode:" << keycode;
       return 0;
     }
 }
 
 }  // namespace ui