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

base/tracked_objects.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/tracked_objects.h"
 
 #include <math.h>
 
 #include "base/format_macros.h"
 #include "base/message_loop.h"
@@ skipping 178 matching lines @@
 // static
 int ThreadData::incarnation_counter_ = 0;
 
 // static
 ThreadData* ThreadData::all_thread_data_list_head_ = NULL;
 
 // static
 ThreadData* ThreadData::first_retired_worker_ = NULL;
 
 // static
-base::LazyInstance<base::Lock,
-                   base::LeakyLazyInstanceTraits<base::Lock> >
+base::LazyInstance<base::Lock>::Leaky
     ThreadData::list_lock_ = LAZY_INSTANCE_INITIALIZER;
 
 // static
 ThreadData::Status ThreadData::status_ = ThreadData::UNINITIALIZED;
 
 ThreadData::ThreadData(const std::string& suggested_name)
     : next_(NULL),
       next_retired_worker_(NULL),
       worker_thread_number_(0),
       incarnation_count_for_pool_(-1) {
@@ skipping 615 matching lines @@
        ++it) {
     base::DictionaryValue* parent_child = new base::DictionaryValue;
     it->first->ToValue("parent", parent_child);
     it->second->ToValue("child", parent_child);
     descendants->Append(parent_child);
   }
   dictionary->Set("descendants", descendants);
 }
 
 }  // namespace tracked_objects