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

crypto/hmac_mac.cc

-// Copyright (c) 2010 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/hmac.h"
+#include "crypto/hmac.h"
 
 #include <CommonCrypto/CommonHMAC.h>
 
 #include "base/logging.h"
 
-namespace base {
+namespace crypto {
 
 struct HMACPlatformData {
   std::string key_;
 };
 
 HMAC::HMAC(HashAlgorithm hash_alg)
     : hash_alg_(hash_alg), plat_(new HMACPlatformData()) {
   // Only SHA-1 and SHA-256 hash algorithms are supported now.
   DCHECK(hash_alg_ == SHA1 || hash_alg_ == SHA256);
 }
@@ skipping 41 matching lines @@
     return false;
   }
 
   CCHmac(algorithm,
          plat_->key_.data(), plat_->key_.length(), data.data(), data.length(),
          digest);
 
   return true;
 }
 
-}  // namespace base
+}  // namespace crypto