Pass WebState to NativeAppNavigationController

ios/chrome/browser/native_app_launcher/BUILD.gn

 # Copyright 2016 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.
 
 source_set("native_app_launcher") {
   sources = [
     "ios_appstore_ids.h",
     "ios_appstore_ids.mm",
     "native_app_infobar_controller.h",
     "native_app_infobar_controller.mm",
@@ skipping 36 matching lines @@
     "//testing/gmock",
     "//testing/gtest",
     "//url",
   ]
 }
 
 source_set("native_app_launcher_internal") {
   sources = [
     "native_app_navigation_controller.h",
     "native_app_navigation_controller.mm",
+    "native_app_navigation_utils.h",

[Eugene But (OOO till 7-30), 2017/01/26 01:04:38]

Optional nit: util. suffix is much more common than utils.

[pkl (ping after 24h if needed), 2017/01/26 02:26:28]

Done.

+    "native_app_navigation_utils.mm",
   ]
   deps = [
     ":native_app_launcher",
     "//base",
     "//components/infobars/core",
     "//ios/chrome/browser",
     "//ios/chrome/browser/infobars",
     "//ios/chrome/browser/net",
     "//ios/chrome/browser/tabs",
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser/native_app_launcher",
     "//ios/public/provider/chrome/browser/signin",
     "//ios/public/provider/chrome/browser/ui",
     "//ios/web",
     "//net",
     "//ui/base",
     "//url",
   ]
   libs = [ "StoreKit.framework" ]
 }
 
 source_set("unit_tests_internal") {
   testonly = true
   sources = [
     "native_app_navigation_controller_unittest.mm",
+    "native_app_navigation_utils_unittest.mm",
   ]
   deps = [
     ":native_app_launcher",
     ":native_app_launcher_internal",
     "//base",
     "//base/test:test_support",
     "//components/infobars/core",
     "//ios/chrome/browser",
+    "//ios/chrome/browser/web:test_support",
     "//ios/chrome/test:test_support",
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser:test_support",
     "//ios/public/provider/chrome/browser/native_app_launcher:test_support",
     "//ios/public/provider/chrome/browser/signin:test_support",
     "//ios/web",
     "//ios/web:test_support",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//url",
   ]
 }