Add a convenience typedef LazyInstance<T>::Leaky to avoid repeating T.

base/nix/mime_util_xdg.cc

 // Copyright (c) 2011 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 "base/nix/mime_util_xdg.h"
 
 #include <cstdlib>
 #include <list>
 #include <map>
 #include <vector>
@@ skipping 15 matching lines @@
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>  // NOLINT
 
 #include "base/message_loop.h"
 #endif
 
 namespace {
 
 // None of the XDG stuff is thread-safe, so serialize all access under
 // this lock.
-static base::LazyInstance<base::Lock,
-                          base::LeakyLazyInstanceTraits<base::Lock> >
+static base::LazyInstance<base::Lock>::Leaky
     g_mime_util_xdg_lock = LAZY_INSTANCE_INITIALIZER;
 
 class IconTheme;
 
 class MimeUtilConstants {
  public:
   typedef std::map<std::string, IconTheme*> IconThemeMap;
   typedef std::map<FilePath, base::Time> IconDirMtimeMap;
   typedef std::vector<std::string> IconFormats;
 
@@ skipping 620 matching lines @@
       icon_file = LookupIconInDefaultTheme(icon_names[i], size);
       if (!icon_file.empty())
         return icon_file;
     }
   }
   return FilePath();
 }
 
 }  // namespace nix
 }  // namespace base