Use windows keycodes under linux (and all non-windows platforms).

chrome/browser/views/accelerator_table_gtk.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_VIEWS_ACCELERATOR_TABLE_GTK_H_
 #define CHROME_BROWSER_VIEWS_ACCELERATOR_TABLE_GTK_H_
 
-#include <gtk/gtk.h>
+#include <stdio.h>
 
-// This contains the list of accelerators shared between the Linux Gtk and
-// toolkit_view implementation.
+// This contains the list of accelerators for the Linux toolkit_view
+// implementation.
 namespace browser {
 
   struct AcceleratorMapping {
-    guint keyval;
+    int keycode;
+    bool shift_pressed;
+    bool ctrl_pressed;
+    bool alt_pressed;
     int command_id;
-    GdkModifierType modifier_type;
   };
 
   // The list of accelerators.
   extern const AcceleratorMapping kAcceleratorMap[];
 
   // The numbers of elements in kAcceleratorMap.
   extern const size_t kAcceleratorMapLength;
 }
 
 #endif  // CHROME_BROWSER_VIEWS_ACCELERATOR_TABLE_GTK_H_