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

Converted the first 20 or so hits for LeakyLazyInstanceTraits on codesearch to
demonstrate the benefit at callsites.  The real change is base/lazy_instance.h;
everything else is example.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9192024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@118754 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 9fc441643df5e17c19133a637c1a9d1a70fbb07c
diff --git a/base/lazy_instance_unittest.cc b/base/lazy_instance_unittest.cc
index 9ccbbd5..1bd3ab4 100644
--- a/base/lazy_instance_unittest.cc
+++ b/base/lazy_instance_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -133,8 +133,7 @@
   bool deleted2 = false;
   {
     base::ShadowingAtExitManager shadow;
-    static base::LazyInstance<DeleteLogger,
-                              base::LeakyLazyInstanceTraits<DeleteLogger> >
+    static base::LazyInstance<DeleteLogger>::Leaky
         test = LAZY_INSTANCE_INITIALIZER;
     test.Get().SetDeletedPtr(&deleted2);
   }