Update URL generation in gr-related-changes-list

Change-Id: Idb9d2464e473ca167e6794ca5e0a7cbc52d8e933

polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list.html

@@ -15,9 +15,9 @@ limitations under the License.
 -->
 <link rel="import" href="../../../bower_components/polymer/polymer.html">
 
-<link rel="import" href="../../../behaviors/base-url-behavior/base-url-behavior.html">
 <link rel="import" href="../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.html">
 <link rel="import" href="../../../behaviors/rest-client-behavior/rest-client-behavior.html">
+<link rel="import" href="../../core/gr-navigation/gr-navigation.html">
 <link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
 <link rel="import" href="../../../styles/shared-styles.html">
 
@@ -112,7 +112,7 @@ limitations under the License.
             items="[[_relatedResponse.changes]]"
             as="related">
           <div class$="rightIndent [[_computeChangeContainerClass(change, related)]]">
-            <a href$="[[_computeChangeURL(related._change_number, related._revision_number)]]"
+            <a href$="[[_computeChangeURL(related._change_number, related.project, related._revision_number)]]"
                 class$="[[_computeLinkClass(related)]]"
                 title$="[[related.commit.subject]]">
               [[related.commit.subject]]
@@ -127,7 +127,7 @@ limitations under the License.
         <h4>Submitted together</h4>
         <template is="dom-repeat" items="[[_submittedTogether]]" as="change">
           <div>
-            <a href$="[[_computeChangeURL(change._number)]]"
+            <a href$="[[_computeChangeURL(change._number, change.project)]]"
                 class$="[[_computeLinkClass(change)]]"
                 title$="[[change.project]]: [[change.branch]]: [[change.subject]]">
               [[change.project]]: [[change.branch]]: [[change.subject]]
@@ -143,7 +143,7 @@ limitations under the License.
         <h4>Same topic</h4>
         <template is="dom-repeat" items="[[_sameTopic]]" as="change">
           <div>
-            <a href$="[[_computeChangeURL(change._number)]]"
+            <a href$="[[_computeChangeURL(change._number, change.project)]]"
                 class$="[[_computeLinkClass(change)]]"
                 title$="[[change.project]]: [[change.branch]]: [[change.subject]]">
               [[change.project]]: [[change.branch]]: [[change.subject]]
@@ -155,7 +155,7 @@ limitations under the License.
         <h4>Merge conflicts</h4>
         <template is="dom-repeat" items="[[_conflicts]]" as="change">
           <div>
-            <a href$="[[_computeChangeURL(change._number)]]"
+            <a href$="[[_computeChangeURL(change._number, change.project)]]"
                 class$="[[_computeLinkClass(change)]]"
                 title$="[[change.subject]]">
               [[change.subject]]
@@ -167,7 +167,7 @@ limitations under the License.
         <h4>Cherry picks</h4>
         <template is="dom-repeat" items="[[_cherryPicks]]" as="change">
           <div>
-            <a href$="[[_computeChangeURL(change._number)]]"
+            <a href$="[[_computeChangeURL(change._number, change.project)]]"
                 class$="[[_computeLinkClass(change)]]"
                 title$="[[change.branch]]: [[change.subject]]">
               [[change.branch]]: [[change.subject]]

polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list.js

@@ -64,7 +64,6 @@
     },
 
     behaviors: [
-      Gerrit.BaseUrlBehavior,
       Gerrit.PatchSetBehavior,
       Gerrit.RESTClientBehavior,
     ],
@@ -164,12 +163,14 @@
       return this.$.restAPI.getChangesWithSameTopic(this.change.topic);
     },
 
-    _computeChangeURL(changeNum, patchNum) {
-      let urlStr = this.getBaseUrl() + '/c/' + changeNum;
-      if (patchNum != null) {
-        urlStr += '/' + patchNum;
-      }
-      return urlStr;
+    /**
+     * @param {number} changeNum
+     * @param {string} project
+     * @param {number=} opt_patchNum
+     * @return {string}
+     */
+    _computeChangeURL(changeNum, project, opt_patchNum) {
+      return Gerrit.Nav.getUrlForChangeById(changeNum, project, opt_patchNum);
     },
 
     _computeChangeContainerClass(currentChange, relatedChange) {

polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list_test.html

@@ -357,5 +357,11 @@ limitations under the License.
       assert.isFalse(element.hidden);
       assert.isTrue(updateHandler.called);
     });
+
+    test('_computeChangeURL uses Gerrit.Nav', () => {
+      const getUrlStub = sandbox.stub(Gerrit.Nav, 'getUrlForChangeById');
+      element._computeChangeURL(123, 'abc/def', 12);
+      assert.isTrue(getUrlStub.called);
+    });
   });
 </script>

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

@@ -188,6 +188,21 @@ limitations under the License.
         });
       },
 
+      /**
+       * @param {number} changeNum
+       * @param {string} project The name of the project.
+       * @param {number=} opt_patchNum
+       * @return {string}
+       */
+      getUrlForChangeById(changeNum, project, opt_patchNum) {
+        return this._getUrlFor({
+          view: Gerrit.Nav.View.CHANGE,
+          changeNum,
+          project,
+          patchNum: opt_patchNum,
+        });
+      },
+
       /**
        * @param {!Object} change The change object.
        * @param {number=} opt_patchNum