Mojo bindings environment: remove usage in mojo/edk/js

mojo/mojo_edk.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.
 
 {
   'includes': [
     'mojo_variables.gypi',
   ],
   'target_defaults' : {
     'include_dirs': [
@@ skipping 132 matching lines @@
       ],
     },
     {
       # GN version: //mojo/edk/js
       'target_name': 'mojo_js_lib',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../gin/gin.gyp:gin',
         '../v8/tools/gyp/v8.gyp:v8',
+        'mojo_public.gyp:mojo_message_pump_lib',
       ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
         '../gin/gin.gyp:gin',
       ],
       'sources': [
         # Sources list duplicated in GN build.
         'edk/js/core.cc',
         'edk/js/core.h',
         'edk/js/drain_data.cc',
@@ skipping 81 matching lines @@
         'mojo_public.gyp:mojo_public_test_support',
         'mojo_system_impl',
         'mojo_test_support_impl',
       ],
       'sources': [
         'edk/test/run_all_perftests.cc',
       ],
     },
   ],
 }