Require explicit selection of traits for LazyInstance

chrome/browser/download/download_prefs.cc

 // Copyright (c) 2012 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/download/download_prefs.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 63 matching lines @@
   }
   return (download_path == desktop_dir);
 #endif
 }
 
 class DefaultDownloadDirectory {
  public:
   const base::FilePath& path() const { return path_; }
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<DefaultDownloadDirectory>;
+  friend struct base::LazyInstanceTraitsBase<DefaultDownloadDirectory>;
 
   DefaultDownloadDirectory() {
     if (!PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &path_)) {
       NOTREACHED();
     }
     if (DownloadPathIsDangerous(path_)) {
       // This is only useful on platforms that support
       // DIR_DEFAULT_DOWNLOADS_SAFE.
       if (!PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS_SAFE, &path_)) {
         NOTREACHED();
@@ skipping 287 matching lines @@
     extensions.erase(extensions.size() - 1);
 
   profile_->GetPrefs()->SetString(prefs::kDownloadExtensionsToOpen, extensions);
 }
 
 bool DownloadPrefs::AutoOpenCompareFunctor::operator()(
     const base::FilePath::StringType& a,
     const base::FilePath::StringType& b) const {
   return base::FilePath::CompareLessIgnoreCase(a, b);
 }