Make X509Certificate::GetDEREncoded a static function taking an OSCertHandle

net/base/x509_certificate.h

Index: net/base/x509_certificate.h
diff --git a/net/base/x509_certificate.h b/net/base/x509_certificate.h
index d8621104bfba4daf0094c6211967b89a036428ba..6d344379a701a549ec96b1dca8bf3e5eb9af27ff 100644
--- a/net/base/x509_certificate.h
+++ b/net/base/x509_certificate.h
@@ -393,10 +393,10 @@ class NET_EXPORT X509Certificate
   // Returns true if it matches.
   bool VerifyNameMatch(const std::string& hostname) const;
 
-  // This method returns the DER encoded certificate.
-  // If the return value is true then the DER encoded certificate is available.
-  // The content of the DER encoded certificate is written to |encoded|.
-  bool GetDEREncoded(std::string* encoded);
+  // Obtains the DER encoded certificate data for |cert_handle|. On success,
+  // returns true and writes the DER encoded certificate to |*der_encoded|.
+  static bool GetDEREncoded(OSCertHandle cert_handle,
+                            std::string* der_encoded);
 
   // Returns the OSCertHandle of this object. Because of caching, this may
   // differ from the OSCertHandle originally supplied during initialization.