Fix gn_all, net_unittests build on GN ios.

net/BUILD.gn

 # Copyright (c) 2013 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")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 1330 matching lines @@
     ":simple_quic_tools",
     ":test_support",
     "//base",
     "//base:i18n",
     "//base:prefs_test_support",
     "//base/allocator",
     "//base/third_party/dynamic_annotations",
     "//crypto",
     "//crypto:platform",
     "//crypto:test_support",
-    "//gin",
     "//net/base/registry_controlled_domains",
     "//sql",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/zlib",
     "//url",
   ]
 
   data = [
     "data/",
@@ skipping 302 matching lines @@
   if (enable_websockets) {
     sources += [ "websockets/websocket_frame_perftest.cc" ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }