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

net/base/dnssec_chain_verifier.cc

Index: net/base/dnssec_chain_verifier.cc
===================================================================
--- net/base/dnssec_chain_verifier.cc	(revision 80572)
+++ net/base/dnssec_chain_verifier.cc	(working copy)
@@ -7,8 +7,8 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sha1.h"
-#include "base/sha2.h"
 #include "base/string_util.h"
+#include "crypto/sha2.h"
 #include "net/base/dns_util.h"
 #include "net/base/dnssec_keyset.h"
 
@@ -516,7 +516,7 @@
                                     uint16 keyid,
                                     uint8 algorithm) {
   std::string temp;
-  uint8 temp2[base::SHA256_LENGTH];
+  uint8 temp2[crypto::SHA256_LENGTH];
   const uint8* digest;
   unsigned digest_len;
 
@@ -527,7 +527,7 @@
     digest = reinterpret_cast<const uint8*>(temp.data());
     digest_len = base::SHA1_LENGTH;
   } else if (digest_type == kDNSSEC_SHA256) {
-    base::SHA256HashString(input, temp2, sizeof(temp2));
+    crypto::SHA256HashString(input, temp2, sizeof(temp2));
     digest = temp2;
     digest_len = sizeof(temp2);
   } else {