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

crypto/rsa_private_key.cc

Index: crypto/rsa_private_key.cc
===================================================================
--- crypto/rsa_private_key.cc	(revision 79901)
+++ crypto/rsa_private_key.cc	(working copy)
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/crypto/rsa_private_key.h"
+#include "crypto/rsa_private_key.h"
 
 #include <algorithm>
 #include <list>
@@ -42,7 +42,7 @@
   }
 }  // namespace
 
-namespace base {
+namespace crypto {
 
 const uint8 PrivateKeyInfoCodec::kRsaAlgorithmIdentifier[] = {
   0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01,
@@ -387,4 +387,4 @@
   return true;
 }
 
-}  // namespace base
+}  // namespace crypto