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

chrome/browser/ui/cocoa/accelerators_cocoa.mm

 // 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/ui/cocoa/accelerators_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/singleton.h"
 #include "chrome/app/chrome_command_ids.h"
 
 namespace {
 
 const struct AcceleratorMapping {
   int command_id;
   NSString* key;
   NSUInteger modifiers;
 } kAcceleratorMap[] = {
   { IDC_CLEAR_BROWSING_DATA, @"\x8", NSCommandKeyMask | NSShiftKeyMask },
@@ skipping 22 matching lines @@
 }  // namespace
 
 AcceleratorsCocoa::AcceleratorsCocoa() {
   for (size_t i = 0; i < arraysize(kAcceleratorMap); ++i) {
     const AcceleratorMapping& entry = kAcceleratorMap[i];
     menus::AcceleratorCocoa accelerator(entry.key, entry.modifiers);
     accelerators_.insert(std::make_pair(entry.command_id, accelerator));
   }
 }
 
+// static
+AcceleratorsCocoa* AcceleratorsCocoa::GetInstance() {
+  return Singleton<AcceleratorsCocoa>::get();
+}
+
 const menus::AcceleratorCocoa* AcceleratorsCocoa::GetAcceleratorForCommand(
     int command_id) {
   AcceleratorCocoaMap::iterator it = accelerators_.find(command_id);
   if (it == accelerators_.end())
     return NULL;
   return &it->second;
 }