net: extract net/cert out of net/base

net/cert/single_request_cert_verifier.cc

Index: net/cert/single_request_cert_verifier.cc
diff --git a/net/base/single_request_cert_verifier.cc b/net/cert/single_request_cert_verifier.cc
similarity index 95%
rename from net/base/single_request_cert_verifier.cc
rename to net/cert/single_request_cert_verifier.cc
index 1777945b1ae593c43d1aabdf762ef2a7464ca7f3..909af07d84833eea23b562b8b4049184496393c8 100644
--- a/net/base/single_request_cert_verifier.cc
+++ b/net/cert/single_request_cert_verifier.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/base/single_request_cert_verifier.h"
+#include "net/cert/single_request_cert_verifier.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "net/base/net_errors.h"
-#include "net/base/x509_certificate.h"
+#include "net/cert/x509_certificate.h"
 
 namespace net {