diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccountGroupMembersScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccountGroupMembersScreen.java
index 99f50418ff..d280725fa3 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccountGroupMembersScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccountGroupMembersScreen.java
@@ -23,6 +23,7 @@ import com.google.gerrit.client.groups.GroupList;
 import com.google.gerrit.client.groups.MemberInfo;
 import com.google.gerrit.client.groups.MemberList;
 import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.ui.AccountGroupSuggestOracle;
 import com.google.gerrit.client.ui.AccountLink;
 import com.google.gerrit.client.ui.AddMemberBox;
@@ -160,14 +161,14 @@ public class AccountGroupMembersScreen extends AccountGroupScreen {
         MemberList.all(getGroupUUID(), new GerritCallback<MemberList>() {
           @Override
           public void onSuccess(MemberList result) {
-            members.display(result.asList());
+            members.display(Natives.asList(result));
           }
         });
 
         GroupList.included(getGroupUUID(), new GerritCallback<GroupList>() {
           @Override
           public void onSuccess(GroupList result) {
-            includes.display(result.asList());
+            includes.display(Natives.asList(result));
           }
         });
 
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupTable.java
index 225dd51b86..76a0cfb23a 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupTable.java
@@ -15,11 +15,13 @@
 package com.google.gerrit.client.admin;
 
 import static com.google.gerrit.client.admin.Util.C;
+
 import com.google.gerrit.client.Dispatcher;
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.groups.GroupInfo;
 import com.google.gerrit.client.groups.GroupList;
 import com.google.gerrit.client.groups.GroupMap;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.ui.HighlightingInlineHyperlink;
 import com.google.gerrit.client.ui.NavigationTable;
 import com.google.gerrit.client.ui.Util;
@@ -79,11 +81,11 @@ public class GroupTable extends NavigationTable<GroupInfo> {
   }
 
   public void display(GroupMap groups, String toHighlight) {
-    display(groups.values().asList(), toHighlight);
+    display(Natives.asList(groups.values()), toHighlight);
   }
 
   public void display(GroupList groups) {
-    display(groups.asList(), null);
+    display(Natives.asList(groups), null);
   }
 
   public void display(List<GroupInfo> list, String toHighlight) {
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PluginListScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PluginListScreen.java
index 068d12a882..9e4b81b730 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PluginListScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PluginListScreen.java
@@ -17,6 +17,7 @@ package com.google.gerrit.client.admin;
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.plugins.PluginInfo;
 import com.google.gerrit.client.plugins.PluginMap;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.client.ui.FancyFlexTable;
 import com.google.gwt.user.client.ui.Anchor;
@@ -73,7 +74,7 @@ public class PluginListScreen extends PluginScreen {
         table.removeRow(table.getRowCount() - 1);
       }
 
-      for (final PluginInfo p : plugins.values().asList()) {
+      for (final PluginInfo p : Natives.asList(plugins.values())) {
         final int row = table.getRowCount();
         table.insertRow(row);
         applyDataRowStyle(row);
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectDashboardsScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectDashboardsScreen.java
index f2924f4dc6..f77986175b 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectDashboardsScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectDashboardsScreen.java
@@ -16,9 +16,9 @@ package com.google.gerrit.client.admin;
 
 import com.google.gerrit.client.dashboards.DashboardList;
 import com.google.gerrit.client.dashboards.DashboardsTable;
-import com.google.gerrit.client.rpc.NativeList;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.reviewdb.client.Project;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.ui.FlowPanel;
 
 public class ProjectDashboardsScreen extends ProjectScreen {
@@ -34,9 +34,9 @@ public class ProjectDashboardsScreen extends ProjectScreen {
   protected void onLoad() {
     super.onLoad();
     DashboardList.all(getProjectKey(),
-        new ScreenLoadCallback<NativeList<DashboardList>>(this) {
+        new ScreenLoadCallback<JsArray<DashboardList>>(this) {
       @Override
-      protected void preDisplay(NativeList<DashboardList> result) {
+      protected void preDisplay(JsArray<DashboardList> result) {
         dashes.display(result);
       }
     });
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
index 05dd5d9b04..d8041fc7d7 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
@@ -16,10 +16,11 @@ package com.google.gerrit.client.changes;
 
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.NotFoundScreen;
-import com.google.gerrit.client.rpc.NativeList;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.client.ui.Screen;
 import com.google.gerrit.reviewdb.client.Account;
+import com.google.gwt.core.client.JsArray;
 
 import java.util.Collections;
 import java.util.Comparator;
@@ -64,9 +65,9 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
     super.onLoad();
     String who = mine ? "self" : ownerId.toString();
     ChangeList.query(
-        new ScreenLoadCallback<NativeList<ChangeList>>(this) {
+        new ScreenLoadCallback<JsArray<ChangeList>>(this) {
           @Override
-          protected void preDisplay(NativeList<ChangeList> result) {
+          protected void preDisplay(JsArray<ChangeList> result) {
             display(result);
           }
         },
@@ -81,7 +82,7 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
     table.setRegisterKeys(true);
   }
 
-  private void display(NativeList<ChangeList> result) {
+  private void display(JsArray<ChangeList> result) {
     if (!mine && !hasChanges(result)) {
       // When no results are returned and the data is not for the
       // current user, the target user is presumed to not exist.
@@ -112,7 +113,7 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
       }
     }
 
-    Collections.sort(out.asList(), outComparator());
+    Collections.sort(Natives.asList(out), outComparator());
 
     table.updateColumnsForLabels(out, in, done);
     outgoing.display(out);
@@ -132,9 +133,9 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
     };
   }
 
-  private boolean hasChanges(NativeList<ChangeList> result) {
-    for (ChangeList list : result.asList()) {
-      if (!list.isEmpty()) {
+  private boolean hasChanges(JsArray<ChangeList> result) {
+    for (ChangeList list : Natives.asList(result)) {
+      if (list.length() != 0) {
         return true;
       }
     }
@@ -142,7 +143,7 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
   }
 
   private static String guessName(ChangeList list) {
-    for (ChangeInfo change : list.asList()) {
+    for (ChangeInfo change : Natives.asList(list)) {
       if (change.owner() != null && change.owner().name() != null) {
         return change.owner().name();
       }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeList.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeList.java
index 23a3c0fb30..7c41ea1c58 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeList.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeList.java
@@ -14,21 +14,21 @@
 
 package com.google.gerrit.client.changes;
 
-import com.google.gerrit.client.rpc.NativeList;
 import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.common.changes.ListChangesOption;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwtorm.client.KeyUtil;
 
 import java.util.EnumSet;
 
 /** List of changes available from {@code /changes/}. */
-public class ChangeList extends NativeList<ChangeInfo> {
+public class ChangeList extends JsArray<ChangeInfo> {
   private static final String URI = "/changes/";
 
   /** Run 2 or more queries in a single remote invocation. */
   public static void query(
-      AsyncCallback<NativeList<ChangeList>> callback, String... queries) {
+      AsyncCallback<JsArray<ChangeList>> callback, String... queries) {
     assert queries.length >= 2; // At least 2 is required for correct result.
     RestApi call = new RestApi(URI);
     for (String q : queries) {
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable2.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable2.java
index 01880f9c65..07beea7fc0 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable2.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable2.java
@@ -142,7 +142,7 @@ public class ChangeTable2 extends NavigationTable<ChangeInfo> {
   public void updateColumnsForLabels(ChangeList... lists) {
     labelNames = new ArrayList<String>();
     for (ChangeList list : lists) {
-      for (int i = 0; i < list.size(); i++) {
+      for (int i = 0; i < list.length(); i++) {
         for (String name : list.get(i).labels()) {
           if (!labelNames.contains(name)) {
             labelNames.add(name);
@@ -395,7 +395,7 @@ public class ChangeTable2 extends NavigationTable<ChangeInfo> {
     }
 
     public void display(ChangeList changeList) {
-      final int sz = changeList != null ? changeList.size() : 0;
+      final int sz = changeList != null ? changeList.length() : 0;
       final boolean hadData = rows > 0;
 
       if (hadData) {
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/DashboardTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/DashboardTable.java
index 30afbb447f..7b387ab7a5 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/DashboardTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/DashboardTable.java
@@ -16,9 +16,10 @@ package com.google.gerrit.client.changes;
 
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.rpc.GerritCallback;
-import com.google.gerrit.client.rpc.NativeList;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.ui.InlineHyperlink;
 import com.google.gerrit.common.PageLinks;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.http.client.URL;
 
 import java.util.ArrayList;
@@ -91,13 +92,13 @@ public class DashboardTable extends ChangeTable2 {
         });
     } else if (! queries.isEmpty()) {
       ChangeList.query(
-          new GerritCallback<NativeList<ChangeList>>() {
+          new GerritCallback<JsArray<ChangeList>>() {
             @Override
-            public void onSuccess(NativeList<ChangeList> result) {
-              updateColumnsForLabels(
-                  result.asList().toArray(new ChangeList[result.size()]));
-              for (int i = 0; i < result.size(); i++) {
-                sections.get(i).display(result.get(i));
+            public void onSuccess(JsArray<ChangeList> result) {
+              List<ChangeList> cls = Natives.asList(result);
+              updateColumnsForLabels(cls.toArray(new ChangeList[cls.size()]));
+              for (int i = 0; i < cls.size(); i++) {
+                sections.get(i).display(cls.get(i));
               }
               finishDisplay();
             }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/PagedSingleListScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/PagedSingleListScreen.java
index 0cbae18d7a..c21c68d0bd 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/PagedSingleListScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/PagedSingleListScreen.java
@@ -116,9 +116,9 @@ public abstract class PagedSingleListScreen extends Screen {
 
   protected void display(final ChangeList result) {
     changes = result;
-    if (!changes.isEmpty()) {
+    if (changes.length() != 0) {
       final ChangeInfo f = changes.get(0);
-      final ChangeInfo l = changes.get(changes.size() - 1);
+      final ChangeInfo l = changes.get(changes.length() - 1);
 
       prev.setTargetHistoryToken(anchorPrefix + ",p," + f._sortkey());
       next.setTargetHistoryToken(anchorPrefix + ",n," + l._sortkey());
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/QueryScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/QueryScreen.java
index 220083ecc8..01e294fafb 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/QueryScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/QueryScreen.java
@@ -52,7 +52,7 @@ public class QueryScreen extends PagedSingleListScreen implements
       @Override
       public final void onSuccess(ChangeList result) {
         if (isAttached()) {
-          if (result.size() == 1 && isSingleQuery(query)) {
+          if (result.length() == 1 && isSingleQuery(query)) {
             ChangeInfo c = result.get(0);
             Change.Id id = c.legacy_id();
             Gerrit.display(PageLinks.toChange(id), new ChangeScreen(id));
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardList.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardList.java
index 0c039519ff..1190f9cd18 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardList.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardList.java
@@ -14,16 +14,16 @@
 
 package com.google.gerrit.client.dashboards;
 
-import com.google.gerrit.client.rpc.NativeList;
 import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.reviewdb.client.Project;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.http.client.URL;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 /** Project dashboards from {@code /projects/<name>/dashboards/}. */
-public class DashboardList extends NativeList<DashboardInfo> {
+public class DashboardList extends JsArray<DashboardInfo> {
   public static void all(Project.NameKey project,
-      AsyncCallback<NativeList<DashboardList>> callback) {
+      AsyncCallback<JsArray<DashboardList>> callback) {
     base(project).addParameterTrue("inherited").get(callback);
   }
 
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardsTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardsTable.java
index 724307eb9f..f9df0d79fd 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardsTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/dashboards/DashboardsTable.java
@@ -15,10 +15,11 @@
 package com.google.gerrit.client.dashboards;
 
 import com.google.gerrit.client.Gerrit;
-import com.google.gerrit.client.rpc.NativeList;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.ui.NavigationTable;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.reviewdb.client.Project;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.History;
 import com.google.gwt.user.client.ui.Anchor;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
@@ -53,13 +54,13 @@ public class DashboardsTable extends NavigationTable<DashboardInfo> {
   }
 
   public void display(DashboardList dashes) {
-    display(dashes.asList());
+    display(Natives.asList(dashes));
   }
 
-  public void display(NativeList<DashboardList> in) {
+  public void display(JsArray<DashboardList> in) {
     Map<String, DashboardInfo> map = new HashMap<String, DashboardInfo>();
-    for (DashboardList list : in.asList()) {
-      for (DashboardInfo d : list.asList()) {
+    for (DashboardList list : Natives.asList(in)) {
+      for (DashboardInfo d : Natives.asList(list)) {
         if (!map.containsKey(d.id())) {
           map.put(d.id(), d);
         }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupApi.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupApi.java
index d508aa5437..d8ef33a770 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupApi.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupApi.java
@@ -15,11 +15,12 @@
 package com.google.gerrit.client.groups;
 
 import com.google.gerrit.client.VoidResult;
-import com.google.gerrit.client.rpc.NativeList;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 import java.util.Set;
@@ -81,14 +82,14 @@ public class GroupApi {
   /** Add members to a group. */
   public static void addMembers(AccountGroup.UUID group,
       Set<String> members,
-      final AsyncCallback<NativeList<MemberInfo>> cb) {
+      final AsyncCallback<JsArray<MemberInfo>> cb) {
     if (members.size() == 1) {
       addMember(group,
           members.iterator().next(),
           new AsyncCallback<MemberInfo>() {
             @Override
             public void onSuccess(MemberInfo result) {
-              cb.onSuccess(NativeList.of(result));
+              cb.onSuccess(Natives.arrayOf(result));
             }
 
             @Override
@@ -129,14 +130,14 @@ public class GroupApi {
   /** Include groups into a group. */
   public static void addIncludedGroups(AccountGroup.UUID group,
       Set<String> includedGroups,
-      final AsyncCallback<NativeList<GroupInfo>> cb) {
+      final AsyncCallback<JsArray<GroupInfo>> cb) {
     if (includedGroups.size() == 1) {
       addIncludedGroup(group,
           includedGroups.iterator().next(),
           new AsyncCallback<GroupInfo>() {
             @Override
             public void onSuccess(GroupInfo result) {
-              cb.onSuccess(NativeList.of(result));
+              cb.onSuccess(Natives.arrayOf(result));
             }
 
             @Override
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupList.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupList.java
index aef0b427d6..94e5e58bee 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupList.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/GroupList.java
@@ -14,13 +14,13 @@
 
 package com.google.gerrit.client.groups;
 
-import com.google.gerrit.client.rpc.NativeList;
 import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 /** Groups available from {@code /groups/} or {@code /accounts/{id}/groups}. */
-public class GroupList extends NativeList<GroupInfo> {
+public class GroupList extends JsArray<GroupInfo> {
   public static void my(AsyncCallback<GroupList> callback) {
     new RestApi("/accounts/self/groups").get(callback);
   }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/MemberList.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/MemberList.java
index 334602f04a..47c776dc53 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/MemberList.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/groups/MemberList.java
@@ -14,12 +14,12 @@
 
 package com.google.gerrit.client.groups;
 
-import com.google.gerrit.client.rpc.NativeList;
 import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
-public class MemberList extends NativeList<MemberInfo> {
+public class MemberList extends JsArray<MemberInfo> {
   public static void all(AccountGroup.UUID group,
       AsyncCallback<MemberList> callback) {
     new RestApi("/groups/").id(group.get()).view("members").get(callback);
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeList.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeList.java
deleted file mode 100644
index 969109437e..0000000000
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeList.java
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright (C) 2012 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package com.google.gerrit.client.rpc;
-
-import com.google.gwt.core.client.JavaScriptObject;
-
-import java.util.AbstractList;
-import java.util.List;
-
-/** A read-only list of native JavaScript objects stored in a JSON array. */
-public class NativeList<T extends JavaScriptObject> extends JavaScriptObject {
-  public static <T extends JavaScriptObject> NativeList<T> of(T a) {
-    NativeList<T> list = createArray().cast();
-    list.add(a);
-    return list;
-  }
-
-  protected NativeList() {
-  }
-
-  public final List<T> asList() {
-    return new AbstractList<T>() {
-      @Override
-      public T set(int index, T element) {
-        T old = NativeList.this.get(index);
-        NativeList.this.set0(index, element);
-        return old;
-      }
-
-      @Override
-      public T get(int index) {
-        return NativeList.this.get(index);
-      }
-
-      @Override
-      public int size() {
-        return NativeList.this.size();
-      }
-    };
-  }
-
-  public final boolean isEmpty() {
-    return size() == 0;
-  }
-
-  public final native int size() /*-{ return this.length; }-*/;
-  public final native T get(int i) /*-{ return this[i]; }-*/;
-  public final native void add(T v) /*-{ this.push(v); }-*/;
-  private final native void set0(int i, T v) /*-{ this[i] = v; }-*/;
-}
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeMap.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeMap.java
index 54866a740b..d56eeafd67 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeMap.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/NativeMap.java
@@ -15,6 +15,7 @@
 package com.google.gerrit.client.rpc;
 
 import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 import java.util.Set;
@@ -53,7 +54,7 @@ public class NativeMap<T extends JavaScriptObject> extends JavaScriptObject {
     return Natives.keys(this);
   }
 
-  public final native NativeList<T> values()
+  public final native JsArray<T> values()
   /*-{
     var s = this;
     var v = [];
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/Natives.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/Natives.java
index 9e243bb73e..e048dcf656 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/Natives.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/rpc/Natives.java
@@ -15,9 +15,12 @@
 package com.google.gerrit.client.rpc;
 
 import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.core.client.JsArray;
 import com.google.gwt.json.client.JSONObject;
 
+import java.util.AbstractList;
 import java.util.Collections;
+import java.util.List;
 import java.util.Set;
 
 public class Natives {
@@ -32,6 +35,34 @@ public class Natives {
     return Collections.emptySet();
   }
 
+  public static <T extends JavaScriptObject> List<T> asList(
+      final JsArray<T> arr) {
+    return new AbstractList<T>() {
+      @Override
+      public T set(int index, T element) {
+        T old = arr.get(index);
+        arr.set(index, element);
+        return old;
+      }
+
+      @Override
+      public T get(int index) {
+        return arr.get(index);
+      }
+
+      @Override
+      public int size() {
+        return arr.length();
+      }
+    };
+  }
+
+  public static <T extends JavaScriptObject> JsArray<T> arrayOf(T element) {
+    JsArray<T> arr = JavaScriptObject.createArray().cast();
+    arr.push(element);
+    return arr;
+  }
+
   @SuppressWarnings("unchecked")
   public static <T extends JavaScriptObject> T parseJSON(String json) {
     if (json.startsWith("\"")) {
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectNameSuggestOracle.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectNameSuggestOracle.java
index 40a6834952..80364cfb8d 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectNameSuggestOracle.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectNameSuggestOracle.java
@@ -17,6 +17,7 @@ package com.google.gerrit.client.ui;
 import com.google.gerrit.client.RpcStatus;
 import com.google.gerrit.client.projects.ProjectMap;
 import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.rpc.Natives;
 
 /** Suggestion Oracle for Project.NameKey entities. */
 public class ProjectNameSuggestOracle extends SuggestAfterTypingNCharsOracle {
@@ -29,7 +30,7 @@ public class ProjectNameSuggestOracle extends SuggestAfterTypingNCharsOracle {
             new GerritCallback<ProjectMap>() {
               @Override
               public void onSuccess(ProjectMap map) {
-                callback.onSuggestionsReady(req, new Response(map.values().asList()));
+                callback.onSuggestionsReady(req, new Response(Natives.asList(map.values())));
               }
             });
       }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectsTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectsTable.java
index 33cbf44bdf..a3a5052dab 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectsTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ProjectsTable.java
@@ -17,6 +17,7 @@ package com.google.gerrit.client.ui;
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.projects.ProjectInfo;
 import com.google.gerrit.client.projects.ProjectMap;
+import com.google.gerrit.client.rpc.Natives;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
 
 import java.util.Collections;
@@ -55,7 +56,7 @@ public class ProjectsTable extends NavigationTable<ProjectInfo> {
     while (1 < table.getRowCount())
       table.removeRow(table.getRowCount() - 1);
 
-    List<ProjectInfo> list = projects.values().asList();
+    List<ProjectInfo> list = Natives.asList(projects.values());
     Collections.sort(list, new Comparator<ProjectInfo>() {
       @Override
       public int compare(ProjectInfo a, ProjectInfo b) {