Add navigateToRepo method to gr-navigation

Change-Id: I29492e93d7ccc297592e368c64207d38f5ac54ec

polygerrit-ui/app/elements/core/gr-navigation/gr-navigation.html

@@ -416,6 +416,14 @@ limitations under the License.
         });
       },
 
+      /**
+       * Navigate to a repo settings page.
+       * @param {string} repoName
+       */
+      navigateToRepo(repoName) {
+        this._navigate(this.getUrlForRepo(repoName));
+      },
+
       /**
        * @param {string} repoName
        * @return {string}