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

crypto/hmac_nss.cc

Index: crypto/hmac_nss.cc
===================================================================
--- crypto/hmac_nss.cc	(revision 79901)
+++ crypto/hmac_nss.cc	(working copy)
@@ -2,17 +2,17 @@
 // 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 <nss.h>
 #include <pk11pub.h>
 
-#include "base/crypto/scoped_nss_types.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/nss_util.h"
+#include "crypto/nss_util.h"
+#include "crypto/scoped_nss_types.h"
 
-namespace base {
+namespace crypto {
 
 struct HMACPlatformData {
   CK_MECHANISM_TYPE mechanism_;
@@ -40,7 +40,7 @@
 }
 
 bool HMAC::Init(const unsigned char *key, int key_length) {
-  base::EnsureNSSInit();
+  EnsureNSSInit();
 
   if (plat_->slot_.get()) {
     // Init must not be called more than twice on the same HMAC object.
@@ -114,4 +114,4 @@
   return true;
 }
 
-}  // namespace base
+}  // namespace crypto