Adds support for the <keygen> tag for client certificate enrollment under Lin...

webkit/api/public/WebKitClient.h

Index: webkit/api/public/WebKitClient.h
===================================================================
--- webkit/api/public/WebKitClient.h	(revision 28911)
+++ webkit/api/public/WebKitClient.h	(working copy)
@@ -179,6 +179,14 @@
         virtual void decrementStatsCounter(const char* name) = 0;
         virtual void incrementStatsCounter(const char* name) = 0;
 
+        // Handle the <keygen> tag for generating client certificates
+        // Returns a base64 encoded signed copy of a public key from a newly
+        // generated key pair and the supplied challenge string. keySizeindex
+        // specifies the strength of the key.
+        virtual WebString genKeyAndSignChallenge(unsigned keySizeIndex,
+                                                 const WebKit::WebString& challenge,
+                                                 const WebKit::WebURL& url) = 0;
+
         // An event is identified by the pair (name, id).  The extra parameter
         // specifies additional data to log with the event.
         virtual void traceEventBegin(const char* name, void* id, const char* extra) = 0;