[ios] Move NativeAppLauncher upstream

ios/chrome/browser/native_app_launcher/native_app_infobar_delegate_unittest.mm

+// Copyright 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 "ios/chrome/browser/native_app_launcher/native_app_infobar_delegate.h"
+
+#include <memory>
+
+#include "base/memory/ptr_util.h"
+#import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+class NativeAppInfoBarDelegateTest : public PlatformTest {};
+
+TEST_F(NativeAppInfoBarDelegateTest, TestIdentifiers) {
+  std::unique_ptr<NativeAppInfoBarDelegate> delegate;
+
+  delegate = base::MakeUnique<NativeAppInfoBarDelegate>(
+      nil, GURL(), NATIVE_APP_INSTALLER_CONTROLLER);
+  EXPECT_EQ(infobars::InfoBarDelegate::InfoBarIdentifier::
+                NATIVE_APP_INSTALLER_INFOBAR_DELEGATE,
+            delegate->GetIdentifier());
+
+  delegate = base::MakeUnique<NativeAppInfoBarDelegate>(
+      nil, GURL(), NATIVE_APP_LAUNCHER_CONTROLLER);
+  EXPECT_EQ(infobars::InfoBarDelegate::InfoBarIdentifier::
+                NATIVE_APP_LAUNCHER_INFOBAR_DELEGATE,
+            delegate->GetIdentifier());
+
+  delegate = base::MakeUnique<NativeAppInfoBarDelegate>(
+      nil, GURL(), NATIVE_APP_OPEN_POLICY_CONTROLLER);
+  EXPECT_EQ(infobars::InfoBarDelegate::InfoBarIdentifier::
+                NATIVE_APP_OPEN_POLICY_INFOBAR_DELEGATE,
+            delegate->GetIdentifier());
+}
+
+}  // namespace