Moves setDBParams into controller

lib/cartodb/cartodb_windshaft.js

@@ -205,21 +205,6 @@ var CartodbWindshaft = function(serverOptions) {
         );
     templateMapsController.register(ws);
 
-    ws.setDBParams = function(cdbuser, params, callback) {
-      Step(
-        function setAuth() {
-          serverOptions.setDBAuth(cdbuser, params, this);
-        },
-        function setConn(err) {
-          if ( err ) throw err;
-          serverOptions.setDBConn(cdbuser, params, this);
-        },
-        function finish(err) {
-          callback(err);
-        }
-      );
-    };
-
 
     var healthCheck = new HealthCheck(cartoData, Windshaft.tilelive);
     ws.get('/health', function(req, res) {

lib/cartodb/controllers/template_maps.js

@@ -413,7 +413,7 @@ TemplateMapsController.prototype.instantiateTemplate = function(req, res, templa
                 res: res,
                 profiler: req.profiler
             };
-            self.app.setDBParams(cdbuser, fakereq.params, this);
+            self.setDBParams(cdbuser, fakereq.params, this);
         },
         function setApiKey(err){
             if ( req.profiler ) req.profiler.done('setDBParams');
@@ -477,3 +477,19 @@ TemplateMapsController.prototype.finish_instantiation = function(err, response,
         this.app.sendResponse(res, [response, 200]);
     }
 };
+
+TemplateMapsController.prototype.setDBParams = function(cdbuser, params, callback) {
+    var self = this;
+    Step(
+        function setAuth() {
+            self.serverOptions.setDBAuth(cdbuser, params, this);
+        },
+        function setConn(err) {
+            if ( err ) throw err;
+            self.serverOptions.setDBConn(cdbuser, params, this);
+        },
+        function finish(err) {
+            callback(err);
+        }
+    );
+};