Add //ipc to "gn check", work on base

base/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/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 1104 matching lines @@
     ":base",
     "//testing/gtest",
   ]
 }
 
 # TODO(pasko): Remove this target when crbug.com/424562 is fixed.
 source_set("protect_file_posix") {
   sources = [
     "files/protect_file_posix.cc",
   ]
+
+  deps = [
+    "//base",
+  ]
 }
 
 test("base_unittests") {
   sources = [
     "android/application_status_listener_unittest.cc",
     "android/content_uri_utils_unittest.cc",
     "android/jni_android_unittest.cc",
     "android/jni_array_unittest.cc",
     "android/jni_string_unittest.cc",
     "android/path_utils_unittest.cc",
@@ skipping 225 matching lines @@
   deps = [
     ":base",
     ":i18n",
     ":message_loop_tests",
     ":prefs",
     ":prefs_test_support",
     "//base/allocator",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations",
+    "//base/third_party/nspr",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/icu",
   ]
 
   if (is_android) {
     apk_deps = [
       ":base_java",
       ":base_java_unittest_support",
     ]
@@ skipping 150 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }