bug 189290: add Ctrl-Q keyboard shortcut for Quit command on Linux; r=gavin, ui-r=beltzner, a=beltzner

browser/base/content/browser-menubar.inc

@@ -76,13 +76,15 @@
 #else
 #ifdef XP_MACOSX
         label="&quitApplicationCmdMac.label;"
-        key="key_quitApplicationCmdMac"
 #else
         label="&quitApplicationCmd.label;"
         accesskey="&quitApplicationCmd.accesskey;"
 #endif
+#ifdef XP_UNIX
+        key="key_quitApplication"
 #endif
-        oncommand="goQuitApplication();"/>
+#endif
+        command="cmd_quitApplication"/>
               </menupopup>
             </menu>
   

browser/base/content/browser-sets.inc

@@ -71,6 +71,7 @@
     <command id="cmd_closeWindow" oncommand="BrowserTryToCloseWindow()"/>
     <command id="cmd_toggleTaskbar" oncommand="goToggleToolbar('status-bar','toggle_taskbar');"/>
     <command id="cmd_CustomizeToolbars" oncommand="BrowserCustomizeToolbar()"/>
+    <command id="cmd_quitApplication" oncommand="goQuitApplication()"/>
 
 
     <commandset id="editMenuCommands"/>
@@ -302,8 +303,11 @@
     <key id="key_sanitize" command="Tools:Sanitize" keycode="VK_DELETE" modifiers="accel,shift"/>
 #ifdef XP_MACOSX
     <key id="key_sanitize_mac" command="Tools:Sanitize" keycode="VK_BACK" modifiers="accel,shift"/>
-    <key id="key_quitApplicationCmdMac" key="&quitApplicationCmdMac.key;" modifiers="accel"/>
 #endif
+#ifdef XP_UNIX
+    <key id="key_quitApplication" key="&quitApplicationCmdMac.key;" command="cmd_quitApplication" modifiers="accel"/>
+#endif
+
     <key id="key_undoCloseTab" command="History:UndoCloseTab" key="&tabCmd.commandkey;" modifiers="accel,shift"/>
   </keyset>