[Extensions Bindings] Add native declarativeContent verification

extensions/common/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/features.gni")
 import("//extensions/features/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 source_set("common_constants") {
   sources = [
@@ skipping 29 matching lines @@
   # in. TODO(brettw): This reverse dependency should be fixed.
   static_library("common") {
     sources = [
       "alias.h",
       "api/bluetooth/bluetooth_manifest_data.cc",
       "api/bluetooth/bluetooth_manifest_data.h",
       "api/bluetooth/bluetooth_manifest_handler.cc",
       "api/bluetooth/bluetooth_manifest_handler.h",
       "api/bluetooth/bluetooth_manifest_permission.cc",
       "api/bluetooth/bluetooth_manifest_permission.h",
+      "api/declarative/declarative_constants.cc",
+      "api/declarative/declarative_constants.h",
       "api/declarative/declarative_manifest_data.cc",
       "api/declarative/declarative_manifest_data.h",
       "api/declarative/declarative_manifest_handler.cc",
       "api/declarative/declarative_manifest_handler.h",
       "api/messaging/message.h",
       "api/messaging/port_id.cc",
       "api/messaging/port_id.h",
       "api/printer_provider/usb_printer_manifest_data.cc",
       "api/printer_provider/usb_printer_manifest_data.h",
       "api/printer_provider/usb_printer_manifest_handler.cc",
@@ skipping 322 matching lines @@
       "//ui/base",
       "//ui/gfx",
       "//url",
     ]
 
     if (is_chromeos) {
       sources += [ "manifest_handlers/action_handlers_handler_unittest.cc" ]
     }
   }
 }  # enable_extensions