Add a new GetInstance() method for remaining files with singleton classes under chrome/browser.

chrome/browser/gtk/accelerators_gtk.cc

 // Copyright (c) 2010 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 "chrome/browser/gtk/accelerators_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <X11/XF86keysym.h>
 
+#include "base/singleton.h"
 #include "chrome/app/chrome_command_ids.h"
 
 namespace {
 
 // A mostly complete list of chrome's accelerators. When one command has
 // multiple shortcuts, the first one in this list is considered "primary",
 // meaning that it will be displayed in context menus.
 const struct AcceleratorMapping {
   guint keyval;
   int command_id;
@@ skipping 162 matching lines @@
 
     if (primary_accelerators_.find(command_id) ==
         primary_accelerators_.end()) {
       primary_accelerators_[command_id] = accelerator;
     }
   }
 }
 
 AcceleratorsGtk::~AcceleratorsGtk() {}
 
+// static
+AcceleratorsGtk* AcceleratorsGtk::GetInstance() {
+  return Singleton<AcceleratorsGtk>::get();
+}
+
 const menus::AcceleratorGtk* AcceleratorsGtk::GetPrimaryAcceleratorForCommand(
     int command_id) {
   base::hash_map<int, menus::AcceleratorGtk>::const_iterator iter =
       primary_accelerators_.find(command_id);
 
   if (iter == primary_accelerators_.end())
     return NULL;
 
   return &iter->second;
 }