Allow declarative webrequest and webrequest in extensions.

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")
 
 # GYP version: extensions/extensions.gyp:extensions_common
 source_set("common") {
   sources = [
     "api/messaging/message.h",
@@ skipping 203 matching lines @@
 
   if (enable_extensions) {
     sources -= [
       "extension_api_stub.cc",
     ]
 
     deps += [
       "//device/bluetooth",
       "//device/usb",
       "//extensions/common/api",
+      "//extensions:extensions_resources",
     ]
   } else {
     sources -= [
       "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/messaging/message.h",
@@ skipping 17 matching lines @@
       "manifest_handlers/nacl_modules_handler.h",
     ]
   }
 
   if (is_win) {
     cflags = [
       "/wd4267", # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     ]
   }
 }