Compile several targets in Gallery in gyp v2.

ui/webui/resources/js/cr/ui/compiled_resources2.gyp

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
   'targets': [
     {
       'target_name': 'alert_overlay',
       'dependencies': [
         '../../compiled_resources2.gyp:cr',
         '../../compiled_resources2.gyp:util',
@@ skipping 48 matching lines @@
       'target_name': 'focus_row',
       'dependencies': [
         '../../compiled_resources2.gyp:assert',
         '../../compiled_resources2.gyp:cr',
         '../../compiled_resources2.gyp:event_tracker',
         '../../compiled_resources2.gyp:util',
       ],
       'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
+      'target_name': 'list_selection_model',
+      'dependencies': [
+        '../../compiled_resources2.gyp:cr',
+        '../compiled_resources2.gyp:event_target',
+      ],
+      'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
+    {
       'target_name': 'menu_button',
       'dependencies': [
         '../../compiled_resources2.gyp:assert',
         '../../compiled_resources2.gyp:cr',
         '../../compiled_resources2.gyp:event_tracker',
         '../compiled_resources2.gyp:ui',
         'menu',
         'menu_item',
         'position_util',
       ],
@@ skipping 29 matching lines @@
     },
     {
       'target_name': 'position_util',
       'dependencies': [
         '../../compiled_resources2.gyp:cr',
       ],
       'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }