Add a compiled_resources.gyp for network_Ui and fix compiler errors.

ui/webui/resources/js/compiled_resources.gyp

 # Copyright 2014 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': 'assert',
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
     {
@@ skipping 12 matching lines @@
           '../../../../third_party/jstemplate/jsevalcontext.js',
           '../../../../third_party/jstemplate/jstemplate.js',
         ],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
     {
       'target_name': 'util',
       'variables': {
         'depends': ['cr.js'],
-        'externs': ['<(CLOSURE_DIR)/externs/chrome_send_externs.js'],
+        # TODO(jlklein): Get <(VARIABLES) in transient externs/depends working.
+        'externs': ['../../../../third_party/closure_compiler/externs/chrome_send_externs.js'],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
     {
       'target_name': 'parse_html_subset',
       'variables': {
-        'externs': ['<(CLOSURE_DIR)/externs/pending_compiler_externs.js'],
+        'externs': ['../../../../third_party/closure_compiler/externs/pending_compiler_externs.js'],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
     {
       'target_name': 'i18n_template_no_process',
       'variables': {
         'depends': ['compiled_resources.gyp:load_time_data'],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
     {
       'target_name': 'i18n_template2',
       'variables': {
         'depends': ['compiled_resources.gyp:load_time_data'],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     },
   ],
 }