Update OS X to use scoped_refptr<T>::get() rather than implicit "operator T*"

net/cert/x509_certificate.cc

Index: net/cert/x509_certificate.cc
diff --git a/net/cert/x509_certificate.cc b/net/cert/x509_certificate.cc
index 5a3b18d1f301413435117cabc9dce487df10379a..b6f9cd68307fd8b5b7dfac02b8265d32e6b4bd9a 100644
--- a/net/cert/x509_certificate.cc
+++ b/net/cert/x509_certificate.cc
@@ -221,7 +221,7 @@ void SplitOnChar(const base::StringPiece& src,
 bool X509Certificate::LessThan::operator()(
     const scoped_refptr<X509Certificate>& lhs,
     const scoped_refptr<X509Certificate>& rhs) const {
-  if (lhs == rhs)
+  if (lhs.get() == rhs.get())
     return false;
 
   int rv = memcmp(lhs->fingerprint_.data, rhs->fingerprint_.data,