[ios] Move NativeAppLauncher upstream

ios/chrome/browser/native_app_launcher/BUILD.gn

Index: ios/chrome/browser/native_app_launcher/BUILD.gn
diff --git a/ios/chrome/browser/native_app_launcher/BUILD.gn b/ios/chrome/browser/native_app_launcher/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..3e49aa30abc1c7f25301d2214d7e0bd879b3c646
--- /dev/null
+++ b/ios/chrome/browser/native_app_launcher/BUILD.gn
@@ -0,0 +1,49 @@
+# 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",
+    "native_app_infobar_delegate.h",
+    "native_app_infobar_delegate.mm",
+    "native_app_navigation_controller_protocol.h",
+  ]
+  deps = [
+    "//base",
+    "//components/infobars/core",
+    "//ios/chrome/app/strings",
+    "//ios/chrome/browser/infobars",
+    "//ios/public/provider/chrome/browser",
+    "//ui/base",
+    "//url",
+  ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "native_app_infobar_controller_unittest.mm",
+    "native_app_infobar_delegate_unittest.mm",
+  ]
+  deps = [
+    ":native_app_launcher",
+    "//base",
+    "//base/test:test_support",
+    "//components/infobars/core",
+    "//ios/chrome/browser",
+    "//ios/chrome/browser/net:test_support",
+    "//ios/chrome/test:test_support",
+    "//ios/public/provider/chrome/browser",
+    "//ios/public/provider/chrome/browser:test_support",
+    "//ios/web",
+    "//ios/web:test_support",
+    "//net:test_support",
+    "//testing/gmock",
+    "//testing/gtest",
+    "//url",
+  ]
+}