Settings Router Refactor: Remove subpage-back.

chrome/browser/resources/settings/internet_page/compiled_resources2.gyp

 # Copyright 2016 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': 'internet_page',
       'dependencies': [
         '../compiled_resources2.gyp:route',
         '../settings_page/compiled_resources2.gyp:settings_animated_pages',
         '<(DEPTH)/ui/webui/resources/cr_elements/network/compiled_resources2.gyp:cr_onc_types',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(EXTERNS_GYP):chrome_send',
         '<(INTERFACES_GYP):networking_private_interface',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'internet_detail_page',
       'dependencies': [
+        '../compiled_resources2.gyp:route',
         '<(DEPTH)/ui/webui/resources/cr_elements/network/compiled_resources2.gyp:cr_onc_types',
         '<(DEPTH)/ui/webui/resources/cr_elements/policy/compiled_resources2.gyp:cr_policy_network_behavior',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(EXTERNS_GYP):chrome_send',
         '<(EXTERNS_GYP):networking_private',
         '<(INTERFACES_GYP):networking_private_interface',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
@@ skipping 75 matching lines @@
     },
     {
       'target_name': 'network_summary_item',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/cr_elements/network/compiled_resources2.gyp:cr_onc_types',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }