Added pepper test for SSLHandshake

ppapi/tests/testing_instance.h

Index: ppapi/tests/testing_instance.h
diff --git a/ppapi/tests/testing_instance.h b/ppapi/tests/testing_instance.h
index c06432990a14b529549f7d4076cc3de8b9d30a4f..b5a63336081b5613ae5fbd7a038ab160e9d89d0a 100644
--- a/ppapi/tests/testing_instance.h
+++ b/ppapi/tests/testing_instance.h
@@ -82,6 +82,8 @@ pp::InstancePrivate {
     return protocol_;
   }
 
+  int ssl_server_port() { return ssl_server_port_; }
+
   int websocket_port() { return websocket_port_; }
 
   // Posts a message to the test page to eval() the script.
@@ -149,6 +151,9 @@ pp::InstancePrivate {
   // with http.
   std::string protocol_;
 
+  // SSL server port.
+  int ssl_server_port_;
+
   // WebSocket port.
   int websocket_port_;
 };