Get rid of DISALLOW_EVIL_CONSTRUCTORS macro usage in our code base.

net/disk_cache/sparse_control.cc

Index: net/disk_cache/sparse_control.cc
diff --git a/net/disk_cache/sparse_control.cc b/net/disk_cache/sparse_control.cc
index 9f0f537fa91ea67d5883ed62dc928bfb5aaa441f..612d06c05130ebc83bf43a4a9aaf8b2cbf9c33cd 100644
--- a/net/disk_cache/sparse_control.cc
+++ b/net/disk_cache/sparse_control.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -71,7 +71,7 @@ class ChildrenDeleter
   disk_cache::Bitmap children_map_;
   int64 signature_;
   scoped_array<char> buffer_;
-  DISALLOW_EVIL_CONSTRUCTORS(ChildrenDeleter);
+  DISALLOW_COPY_AND_ASSIGN(ChildrenDeleter);
 };
 
 // This is the callback of the file operation.