net: extract net/cert out of net/base

net/cert/pem_tokenizer.h

Index: net/cert/pem_tokenizer.h
diff --git a/net/base/pem_tokenizer.h b/net/cert/pem_tokenizer.h
similarity index 96%
rename from net/base/pem_tokenizer.h
rename to net/cert/pem_tokenizer.h
index ea1fae9736bac158c46dcbee72390dd2354a5cb7..13d2817db7d107187be8d9c720a8cfc13df4a4d2 100644
--- a/net/base/pem_tokenizer.h
+++ b/net/cert/pem_tokenizer.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef NET_BASE_PEM_TOKENIZER_H_
-#define NET_BASE_PEM_TOKENIZER_H_
+#ifndef NET_CERT_PEM_TOKENIZER_H_
+#define NET_CERT_PEM_TOKENIZER_H_
 
 #include <string>
 #include <vector>
@@ -74,4 +74,4 @@ class NET_EXPORT_PRIVATE PEMTokenizer {
 
 }  // namespace net
 
-#endif  // NET_BASE_PEM_TOKENIZER_H_
+#endif  // NET_CERT_PEM_TOKENIZER_H_