Revert 283813 "Switch to BoringSSL."

trunk/src/net/cert/cert_verify_proc_openssl.cc

Index: trunk/src/net/cert/cert_verify_proc_openssl.cc
===================================================================
--- trunk/src/net/cert/cert_verify_proc_openssl.cc	(revision 283844)
+++ trunk/src/net/cert/cert_verify_proc_openssl.cc	(working copy)
@@ -101,7 +101,7 @@
   STACK_OF(X509)* chain = X509_STORE_CTX_get_chain(store_ctx);
   X509* verified_cert = NULL;
   std::vector<X509*> verified_chain;
-  for (size_t i = 0; i < sk_X509_num(chain); ++i) {
+  for (int i = 0; i < sk_X509_num(chain); ++i) {
     X509* cert = sk_X509_value(chain, i);
     if (i == 0) {
       verified_cert = cert;
@@ -111,7 +111,7 @@
 
     // Only check the algorithm status for certificates that are not in the
     // trust store.
-    if (i < static_cast<size_t>(store_ctx->last_untrusted)) {
+    if (i < store_ctx->last_untrusted) {
       int sig_alg = OBJ_obj2nid(cert->sig_alg->algorithm);
       if (sig_alg == NID_md2WithRSAEncryption) {
         verify_result->has_md2 = true;
@@ -151,7 +151,7 @@
 void AppendPublicKeyHashes(X509_STORE_CTX* store_ctx,
                            HashValueVector* hashes) {
   STACK_OF(X509)* chain = X509_STORE_CTX_get_chain(store_ctx);
-  for (size_t i = 0; i < sk_X509_num(chain); ++i) {
+  for (int i = 0; i < sk_X509_num(chain); ++i) {
     X509* cert = sk_X509_value(chain, i);
 
     std::string der_data;