Move networking_private to src/extensions

chrome/browser/extensions/BUILD.gn

 # 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 assert(enable_extensions)
 
@@ skipping 163 matching lines @@
   }
 
   if (is_win || is_mac) {
     deps += [ "//components/wifi" ]
     sources += rebase_path(
             gypi_values.chrome_browser_extensions_networking_private_sources_winmac,
             ".",
             "//chrome")
   }
 
-  if (is_desktop_linux) {
-    sources += rebase_path(
-            gypi_values.chrome_browser_extensions_networking_private_sources_linux,
-            ".",
-            "//chrome")
-  }
-
   if (is_win) {
     deps += [
       "//third_party/iaccessible2",
       "//third_party/isimpledom",
     ]
   } else if (!is_chromeos) {
     sources += [
       "display_info_provider_aura.cc",
       "display_info_provider_aura.h",
     ]
   }
 
   if (enable_app_list) {
     sources +=
         rebase_path(gypi_values.chrome_browser_extensions_app_list_sources,
                     ".",
                     "//chrome")
   }
 
   if (is_chromeos && use_ozone) {
     sources -= [ "global_shortcut_listener_chromeos.cc" ]
   }
   if (!use_ozone) {
     sources -= [ "global_shortcut_listener_ozone.cc" ]
   }
 }