Removing NSS files and USE_OPENSSL flag

net/cert/internal/verify_signed_data.cc

Index: net/cert/internal/verify_signed_data.cc
diff --git a/net/cert/internal/verify_signed_data.cc b/net/cert/internal/verify_signed_data.cc
index eb0fd3ff2b6380e04d5eac1d5b3cd990425e768d..37a9a6a706511972ea05bd0ed09e894626764b57 100644
--- a/net/cert/internal/verify_signed_data.cc
+++ b/net/cert/internal/verify_signed_data.cc
@@ -7,28 +7,6 @@
 #include "base/logging.h"
 #include "net/der/parse_values.h"
 
-// TODO(eroman): There is no intention to implement this for non-OpenSSL. Remove
-// this branch once the migration is complete. This could have been done as a
-// conditional file (_openssl.cc) in the build file instead, but that is likely
-// not worth the effort at this point.
-
-#if !defined(USE_OPENSSL)
-
-namespace net {
-
-bool VerifySignedData(const SignatureAlgorithm& signature_algorithm,
-                      const der::Input& signed_data,
-                      const der::BitString& signature_value,
-                      const der::Input& public_key,
-                      const SignaturePolicy* policy) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-}  // namespace net
-
-#else
-
 #include <openssl/bytestring.h>
 #include <openssl/digest.h>
 #include <openssl/ec.h>
@@ -312,5 +290,3 @@ bool VerifySignedData(const SignatureAlgorithm& signature_algorithm,
 }
 
 }  // namespace net
-
-#endif