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

crypto/signature_verifier_mac.cc

Index: crypto/signature_verifier_mac.cc
===================================================================
--- crypto/signature_verifier_mac.cc	(revision 79901)
+++ crypto/signature_verifier_mac.cc	(working copy)
@@ -1,15 +1,15 @@
-// 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.
 
-#include "base/crypto/signature_verifier.h"
+#include "crypto/signature_verifier.h"
 
 #include <stdlib.h>
 
-#include "base/crypto/cssm_init.h"
 #include "base/logging.h"
+#include "crypto/cssm_init.h"
 
-namespace base {
+namespace crypto {
 
 SignatureVerifier::SignatureVerifier() : sig_handle_(0) {
   EnsureCSSMInit();
@@ -101,5 +101,5 @@
   // public_key_ manually.
 }
 
-}  // namespace base
+}  // namespace crypto