Revert of Remove client_certs from SSLCertRequestInfo.

net/ssl/ssl_cert_request_info.h

Index: net/ssl/ssl_cert_request_info.h
diff --git a/net/ssl/ssl_cert_request_info.h b/net/ssl/ssl_cert_request_info.h
index 3f0443ea4e9bd5162d27bc8a31a831c2ceb0db5c..8b9e542221d28f51dd392fd6c032a625ce434bd8 100644
--- a/net/ssl/ssl_cert_request_info.h
+++ b/net/ssl/ssl_cert_request_info.h
@@ -14,6 +14,8 @@
 #include "net/ssl/ssl_client_cert_type.h"
 
 namespace net {
+
+class X509Certificate;
 
 // The SSLCertRequestInfo class represents server criteria regarding client
 // certificate required for a secure connection.
@@ -52,6 +54,10 @@
 
   std::vector<SSLClientCertType> cert_key_types;
 
+  // Client certificates matching the server criteria. This should be removed
+  // soon as being tracked in http://crbug.com/166642.
+  std::vector<scoped_refptr<X509Certificate> > client_certs;
+
  private:
   friend class base::RefCountedThreadSafe<SSLCertRequestInfo>;