Removed NativeAppNavigationController and related code

ios/chrome/browser/native_app_launcher/native_app_navigation_util_unittest.mm

-// Copyright 2017 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.
-
-#include "ios/chrome/browser/native_app_launcher/native_app_navigation_util.h"
-
-#include "base/memory/ptr_util.h"
-#import "ios/web/public/test/fakes/test_navigation_manager.h"
-#import "ios/web/public/test/fakes/test_web_state.h"
-#include "testing/platform_test.h"
-#include "ui/base/page_transition_types.h"
-#include "url/gurl.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-// Tests the implementation of IsLinkNavigation(). The function being tested
-// uses public NavigationManager interfaces and can be tested by using
-// TestNavigationManager that implements the same interface.
-class NativeAppNavigationUtilsTest : public PlatformTest {
- protected:
-  void SetUp() override {
-    PlatformTest::SetUp();
-    std::unique_ptr<web::TestNavigationManager> test_navigation_manager =
-        base::MakeUnique<web::TestNavigationManager>();
-    test_navigation_manager_ = test_navigation_manager.get();
-    test_web_state_.SetNavigationManager(std::move(test_navigation_manager));
-  }
-
-  web::WebState* web_state() { return &test_web_state_; }
-
-  // Adds a navigation item of |transition| type to current WebState.
-  void AddItem(const std::string& url_spec, ui::PageTransition transition) {
-    test_navigation_manager_->AddItem(GURL(url_spec), transition);
-  }
-
- private:
-  web::TestNavigationManager* test_navigation_manager_;
-  web::TestWebState test_web_state_;
-};
-
-// Tests that default state is not a link click.
-TEST_F(NativeAppNavigationUtilsTest, TestEmpty) {
-  EXPECT_FALSE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// URL typed by user is not a link click.
-TEST_F(NativeAppNavigationUtilsTest, TestTypedUrl) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_TYPED);
-  EXPECT_FALSE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// Transition state shows that user navigated via a link click.
-TEST_F(NativeAppNavigationUtilsTest, TestLinkClicked) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_LINK);
-  EXPECT_TRUE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// Transition state shows that user navigated through clicking on a bookmark
-// is considered *not* a link click.
-TEST_F(NativeAppNavigationUtilsTest, TestAutoBookmark) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_AUTO_BOOKMARK);
-  EXPECT_TRUE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// When there are redirects along the way, redirects are skipped until the
-// first non-redirect entry.
-TEST_F(NativeAppNavigationUtilsTest, TestHasTypedUrlWithRedirect) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_TYPED);
-  AddItem("http://foo.com/page1", ui::PAGE_TRANSITION_CLIENT_REDIRECT);
-  EXPECT_FALSE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// When there are multiple redirects along the way, redirects are skipped until
-// the first non-redirect entry.
-TEST_F(NativeAppNavigationUtilsTest, TestHasLinkClickedWithRedirect) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_LINK);
-  AddItem("http://bar.com/page1", ui::PAGE_TRANSITION_CLIENT_REDIRECT);
-  AddItem("http://zap.com/page2", ui::PAGE_TRANSITION_CLIENT_REDIRECT);
-  EXPECT_TRUE(native_app_launcher::IsLinkNavigation(web_state()));
-}
-
-// The first non-redirect entry is tested. Earlier redirects do not matter.
-TEST_F(NativeAppNavigationUtilsTest, TestTypedUrlWithRedirectEarlier) {
-  AddItem("http://foo.com/page0", ui::PAGE_TRANSITION_LINK);
-  AddItem("http://bar.com/page1", ui::PAGE_TRANSITION_CLIENT_REDIRECT);
-  AddItem("http://blah.com/page2", ui::PAGE_TRANSITION_TYPED);
-  EXPECT_FALSE(native_app_launcher::IsLinkNavigation(web_state()));
-}