Move crypto files out of base, to a top level directory.

crypto/signature_verifier_nss.cc

Index: crypto/signature_verifier_nss.cc
===================================================================
--- crypto/signature_verifier_nss.cc	(revision 79901)
+++ crypto/signature_verifier_nss.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -11,7 +11,7 @@
 #include "base/logging.h"
 #include "base/nss_util.h"
 
-namespace base {
+namespace crypto {
 
 SignatureVerifier::SignatureVerifier() : vfy_context_(NULL) {
   EnsureNSSInit();
@@ -110,4 +110,4 @@
   signature_.clear();
 }
 
-}  // namespace base
+}  // namespace crypto