Removed NativeAppNavigationController and related code

These are no longer being used.

BUG=721921

Review-Url: https://codereview.chromium.org/2897213002
Cr-Commit-Position: refs/heads/master@{#481857}

ios/chrome/app/BUILD.gn

@@ -183,7 +183,6 @@ source_set("app_internal") {
     "//ios/chrome/browser/memory",
     "//ios/chrome/browser/metrics",
     "//ios/chrome/browser/metrics:metrics_internal",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/net",
     "//ios/chrome/browser/omaha",
     "//ios/chrome/browser/prefs",

ios/chrome/browser/browsing_data/BUILD.gn

@@ -92,7 +92,6 @@ source_set("browsing_data_internal") {
     "//components/signin/ios/browser",
     "//ios/chrome/browser:browser_internal",
     "//ios/chrome/browser/browser_state",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/sessions:serialisation",
     "//ios/chrome/browser/signin",
     "//ios/chrome/browser/snapshots",

ios/chrome/browser/native_app_launcher/BUILD.gn

@@ -48,65 +48,3 @@ source_set("unit_tests") {
     "//url",
   ]
 }
-
-source_set("native_app_launcher_internal") {
-  configs += [ "//build/config/compiler:enable_arc" ]
-  sources = [
-    "native_app_navigation_controller.h",
-    "native_app_navigation_controller.mm",
-    "native_app_navigation_util.h",
-    "native_app_navigation_util.mm",
-  ]
-  deps = [
-    ":native_app_launcher",
-    "//base",
-    "//components/image_fetcher/ios",
-    "//components/infobars/core",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/infobars",
-    "//ios/chrome/browser/net",
-    "//ios/chrome/browser/store_kit",
-    "//ios/chrome/browser/tabs",
-    "//ios/chrome/browser/web:web",
-    "//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") {
-  configs += [ "//build/config/compiler:enable_arc" ]
-  testonly = true
-  sources = [
-    "native_app_navigation_controller_unittest.mm",
-    "native_app_navigation_util_unittest.mm",
-  ]
-  deps = [
-    ":native_app_launcher",
-    ":native_app_launcher_internal",
-    "//base",
-    "//base/test:test_support",
-    "//components/infobars/core",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/infobars:infobars",
-    "//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/public/test/fakes",
-    "//net:test_support",
-    "//testing/gmock",
-    "//testing/gtest",
-    "//ui/base",
-    "//url",
-  ]
-}

ios/chrome/browser/native_app_launcher/native_app_navigation_controller.h

-// Copyright 2012 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.
-
-#ifndef IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_
-#define IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_
-
-#import <Foundation/Foundation.h>
-
-namespace web {
-class WebState;
-}  // namespace web
-
-// NativeAppNavigationController brings up a GAL Infobar if the webpage directs
-// it to do so and there are no other circumstances that would suppress its
-// display.
-@interface NativeAppNavigationController : NSObject
-
-- (instancetype)initWithWebState:(web::WebState*)webState
-    NS_DESIGNATED_INITIALIZER;
-
-- (instancetype)init NS_UNAVAILABLE;
-
-// Copies the list of applications possibly being installed and register to be
-// notified of their installation.
-- (void)copyStateFrom:(NativeAppNavigationController*)controller;
-@end
-
-#endif  // IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_

ios/chrome/browser/native_app_launcher/native_app_navigation_controller.mm

-// Copyright 2012 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_navigation_controller.h"
-
-#import <StoreKit/StoreKit.h>
-
-#include "base/memory/ptr_util.h"
-#include "base/metrics/user_metrics.h"
-#include "base/metrics/user_metrics_action.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h"
-#include "components/infobars/core/infobar_manager.h"
-#include "ios/chrome/browser/infobars/infobar_manager_impl.h"
-#import "ios/chrome/browser/installation_notifier.h"
-#include "ios/chrome/browser/native_app_launcher/native_app_infobar_delegate.h"
-#import "ios/chrome/browser/native_app_launcher/native_app_navigation_controller_protocol.h"
-#include "ios/chrome/browser/native_app_launcher/native_app_navigation_util.h"
-#import "ios/chrome/browser/open_url_util.h"
-#import "ios/chrome/browser/store_kit/store_kit_tab_helper.h"
-#import "ios/chrome/browser/tabs/legacy_tab_helper.h"
-#import "ios/chrome/browser/tabs/tab.h"
-#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
-#import "ios/public/provider/chrome/browser/native_app_launcher/native_app_metadata.h"
-#import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
-#import "ios/public/provider/chrome/browser/native_app_launcher/native_app_whitelist_manager.h"
-#include "ios/web/public/browser_state.h"
-#include "ios/web/public/web_state/web_state.h"
-#import "ios/web/public/web_state/web_state_observer_bridge.h"
-#include "ios/web/public/web_thread.h"
-#import "net/base/mac/url_conversions.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-using base::UserMetricsAction;
-
-@interface NativeAppNavigationController ()<
-    CRWWebStateObserver,
-    NativeAppNavigationControllerProtocol>
-// Shows a native app infobar by looking at the page's URL and by checking
-// wheter that infobar should be bypassed or not.
-- (void)showInfoBarIfNecessary;
-
-// Returns a pointer to the NSMutableSet of |_appsPossiblyBeingInstalled|
-- (NSMutableSet*)appsPossiblyBeingInstalled;
-
-// Records what type of infobar was opened.
-- (void)recordInfobarDisplayedOfType:(NativeAppControllerType)type
-                    onLinkNavigation:(BOOL)isLinkNavigation;
-
-@end
-
-@implementation NativeAppNavigationController {
-  // WebState provides access to the *TabHelper objects.
-  web::WebState* _webState;
-  // ImageFetcher needed to fetch the icons.
-  std::unique_ptr<image_fetcher::IOSImageDataFetcherWrapper> _imageFetcher;
-  id<NativeAppMetadata> _metadata;
-  // A set of appIds encoded as NSStrings.
-  NSMutableSet* _appsPossiblyBeingInstalled;
-  // Allows this class to subscribe for CRWWebStateObserver callbacks.
-  std::unique_ptr<web::WebStateObserverBridge> _webStateObserver;
-}
-
-// Designated initializer. Use this instead of -init.
-- (instancetype)initWithWebState:(web::WebState*)webState {
-  self = [super init];
-  if (self) {
-    DCHECK(webState);
-    _webState = webState;
-    _imageFetcher = base::MakeUnique<image_fetcher::IOSImageDataFetcherWrapper>(
-        _webState->GetBrowserState()->GetRequestContext(),
-        web::WebThread::GetBlockingPool());
-    _appsPossiblyBeingInstalled = [[NSMutableSet alloc] init];
-    _webStateObserver =
-        base::MakeUnique<web::WebStateObserverBridge>(webState, self);
-  }
-  return self;
-}
-
-- (void)copyStateFrom:(NativeAppNavigationController*)controller {
-  DCHECK(controller);
-  _appsPossiblyBeingInstalled = [[NSMutableSet alloc]
-      initWithSet:[controller appsPossiblyBeingInstalled]];
-  for (NSString* appIdString in _appsPossiblyBeingInstalled) {
-    DCHECK([appIdString isKindOfClass:[NSString class]]);
-    NSURL* appURL =
-        [ios::GetChromeBrowserProvider()->GetNativeAppWhitelistManager()
-            schemeForAppId:appIdString];
-    [[InstallationNotifier sharedInstance]
-        registerForInstallationNotifications:self
-                                withSelector:@selector(appDidInstall:)
-                                   forScheme:[appURL scheme]];
-  }
-  [self showInfoBarIfNecessary];
-}
-
-- (void)dealloc {
-  [[InstallationNotifier sharedInstance] unregisterForNotifications:self];
-}
-
-- (NSMutableSet*)appsPossiblyBeingInstalled {
-  return _appsPossiblyBeingInstalled;
-}
-
-- (void)showInfoBarIfNecessary {
-  // Find a potential matching native app.
-  GURL pageURL = _webState->GetLastCommittedURL();
-  _metadata = [ios::GetChromeBrowserProvider()->GetNativeAppWhitelistManager()
-      nativeAppForURL:pageURL];
-  if (!_metadata || [_metadata shouldBypassInfoBars])
-    return;
-
-  // Select the infobar type.
-  NativeAppControllerType type;
-  bool isLinkNavigation = native_app_launcher::IsLinkNavigation(_webState);
-  if ([_metadata canOpenURL:pageURL]) {  // App is installed.
-    type = isLinkNavigation && ![_metadata shouldAutoOpenLinks]
-               ? NATIVE_APP_OPEN_POLICY_CONTROLLER
-               : NATIVE_APP_LAUNCHER_CONTROLLER;
-  } else {  // App is not installed.
-    // Check if the user already opened the store for this app.
-    if ([_appsPossiblyBeingInstalled containsObject:[_metadata appId]])
-      return;
-    type = NATIVE_APP_INSTALLER_CONTROLLER;
-  }
-  // Inform the metadata that an infobar of |type| will be shown so that metrics
-  // and ignored behavior can be handled.
-  [_metadata willBeShownInInfobarOfType:type];
-  // Display the proper infobar.
-  infobars::InfoBarManager* infoBarManager =
-      InfoBarManagerImpl::FromWebState(_webState);
-  NativeAppInfoBarDelegate::Create(infoBarManager, self, pageURL, type);
-  [self recordInfobarDisplayedOfType:type onLinkNavigation:isLinkNavigation];
-}
-
-- (void)recordInfobarDisplayedOfType:(NativeAppControllerType)type
-                    onLinkNavigation:(BOOL)isLinkNavigation {
-  switch (type) {
-    case NATIVE_APP_INSTALLER_CONTROLLER:
-      base::RecordAction(
-          isLinkNavigation
-              ? UserMetricsAction("MobileGALInstallInfoBarLinkNavigation")
-              : UserMetricsAction("MobileGALInstallInfoBarDirectNavigation"));
-      break;
-    case NATIVE_APP_LAUNCHER_CONTROLLER:
-      base::RecordAction(UserMetricsAction("MobileGALLaunchInfoBar"));
-      break;
-    case NATIVE_APP_OPEN_POLICY_CONTROLLER:
-      base::RecordAction(UserMetricsAction("MobileGALOpenPolicyInfoBar"));
-      break;
-    default:
-      NOTREACHED();
-      break;
-  }
-}
-
-#pragma mark - NativeAppNavigationControllerProtocol methods
-
-- (NSString*)appId {
-  return [_metadata appId];
-}
-
-- (NSString*)appName {
-  return [_metadata appName];
-}
-
-- (void)fetchSmallIconWithCompletionBlock:(void (^)(UIImage*))block {
-  [_metadata fetchSmallIconWithImageFetcher:_imageFetcher.get()
-                            completionBlock:block];
-}
-
-- (void)openStore {
-  // Register to get a notification when the app is installed.
-  [[InstallationNotifier sharedInstance]
-      registerForInstallationNotifications:self
-                              withSelector:@selector(appDidInstall:)
-                                 forScheme:[_metadata anyScheme]];
-  NSString* appIdString = [self appId];
-  // Defensively early return if native app metadata returns an nil string for
-  // appId which can cause subsequent -addObject: to throw exceptions.
-  if (![appIdString length])
-    return;
-  DCHECK(![_appsPossiblyBeingInstalled containsObject:appIdString]);
-  [_appsPossiblyBeingInstalled addObject:appIdString];
-  StoreKitTabHelper* tabHelper = StoreKitTabHelper::FromWebState(_webState);
-  if (tabHelper)
-    tabHelper->OpenAppStore(appIdString);
-}
-
-- (void)launchApp:(const GURL&)URL {
-  // TODO(crbug.com/353957): Pass the ChromeIdentity to
-  // -launchURLWithURL:identity:
-  GURL launchURL([_metadata launchURLWithURL:URL identity:nil]);
-  if (launchURL.is_valid()) {
-    OpenUrlWithCompletionHandler(net::NSURLWithGURL(launchURL), nil);
-  }
-}
-
-- (void)updateMetadataWithUserAction:(NativeAppActionType)userAction {
-  [_metadata updateWithUserAction:userAction];
-}
-
-#pragma mark - CRWWebStateObserver methods
-
-- (void)webState:(web::WebState*)webState didLoadPageWithSuccess:(BOOL)success {
-  Tab* tab = LegacyTabHelper::GetTabForWebState(_webState);
-  if (success && ![tab isPrerenderTab])
-    [self showInfoBarIfNecessary];
-}
-
-- (void)webStateDestroyed:(web::WebState*)webState {
-  _webState = nullptr;
-  _webStateObserver.reset();
-}
-
-#pragma mark - Private methods
-
-- (void)appDidInstall:(NSNotification*)notification {
-  [self removeAppFromNotification:notification];
-  [self showInfoBarIfNecessary];
-}
-
-- (void)removeAppFromNotification:(NSNotification*)notification {
-  DCHECK([[notification object] isKindOfClass:[InstallationNotifier class]]);
-  NSString* schemeOfInstalledApp = [notification name];
-  __block NSString* appIDToRemove = nil;
-  [_appsPossiblyBeingInstalled
-      enumerateObjectsUsingBlock:^(id appID, BOOL* stop) {
-        NSURL* appURL =
-            [ios::GetChromeBrowserProvider()->GetNativeAppWhitelistManager()
-                schemeForAppId:appID];
-        if ([[appURL scheme] isEqualToString:schemeOfInstalledApp]) {
-          appIDToRemove = appID;
-          *stop = YES;
-        }
-      }];
-  DCHECK(appIDToRemove);
-  [_appsPossiblyBeingInstalled removeObject:appIDToRemove];
-}
-
-@end

ios/chrome/browser/native_app_launcher/native_app_navigation_controller_unittest.mm

-// Copyright 2012 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 <memory>
-
-#include "base/bind.h"
-#include "base/memory/ptr_util.h"
-#include "base/metrics/user_metrics.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ios/chrome/browser/infobars/infobar_manager_impl.h"
-#import "ios/chrome/browser/installation_notifier.h"
-#include "ios/chrome/browser/native_app_launcher/native_app_infobar_delegate.h"
-#import "ios/chrome/browser/native_app_launcher/native_app_navigation_controller.h"
-#import "ios/chrome/browser/web/chrome_web_test.h"
-#include "ios/chrome/test/ios_chrome_scoped_testing_chrome_browser_provider.h"
-#import "ios/public/provider/chrome/browser/native_app_launcher/fake_native_app_metadata.h"
-#import "ios/public/provider/chrome/browser/native_app_launcher/fake_native_app_whitelist_manager.h"
-#include "ios/public/provider/chrome/browser/test_chrome_browser_provider.h"
-#import "testing/gtest_mac.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-@interface NativeAppNavigationController (Testing)
-- (void)recordInfobarDisplayedOfType:(NativeAppControllerType)type
-                    onLinkNavigation:(BOOL)isLinkNavigation;
-- (NSMutableSet*)appsPossiblyBeingInstalled;
-- (void)removeAppFromNotification:(NSNotification*)notification;
-@end
-
-namespace {
-
-class FakeChromeBrowserProvider : public ios::TestChromeBrowserProvider {
- public:
-  FakeChromeBrowserProvider(FakeNativeAppWhitelistManager* fake_manager) {
-    manager_ = fake_manager;
-  }
-  ~FakeChromeBrowserProvider() override {}
-
-  id<NativeAppWhitelistManager> GetNativeAppWhitelistManager() const override {
-    return manager_;
-  }
-
- private:
-  id<NativeAppWhitelistManager> manager_;
-};
-
-class NativeAppNavigationControllerTest : public ChromeWebTest {
- protected:
-  void SetUp() override {
-    ChromeWebTest::SetUp();
-    controller_ =
-        [[NativeAppNavigationController alloc] initWithWebState:web_state()];
-
-    action_callback_ =
-        base::Bind(&NativeAppNavigationControllerTest::OnUserAction,
-                   base::Unretained(this));
-    base::AddActionCallback(action_callback_);
-
-    handler_called_counter_ = 0;
-  }
-
-  void TearDown() override {
-    base::RemoveActionCallback(action_callback_);
-    ChromeWebTest::TearDown();
-  }
-
-  void SetExpectedActionName(const std::string& action_name) {
-    expected_action_name_.reset(new std::string(action_name));
-  }
-
-  void OnUserAction(const std::string& action_name) {
-    EXPECT_EQ(*expected_action_name_, action_name);
-    handler_called_counter_++;
-  }
-
-  void ExpectHandlerCalledAndReset(int number_of_calls) {
-    EXPECT_EQ(number_of_calls, handler_called_counter_);
-    handler_called_counter_ = 0;
-  }
-
-  NativeAppNavigationController* controller_;
-
-  // The callback to invoke when an action is recorded.
-  base::ActionCallback action_callback_;
-  std::unique_ptr<std::string> expected_action_name_;
-  int handler_called_counter_;
-};
-
-TEST_F(NativeAppNavigationControllerTest, TestConstructor) {
-  EXPECT_TRUE(controller_);
-}
-
-TEST_F(NativeAppNavigationControllerTest, TestUMA) {
-  SetExpectedActionName("MobileGALInstallInfoBarLinkNavigation");
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_INSTALLER_CONTROLLER
-                           onLinkNavigation:YES];
-  ExpectHandlerCalledAndReset(1);
-
-  SetExpectedActionName("MobileGALInstallInfoBarDirectNavigation");
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_INSTALLER_CONTROLLER
-                           onLinkNavigation:NO];
-  ExpectHandlerCalledAndReset(1);
-
-  SetExpectedActionName("MobileGALLaunchInfoBar");
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_LAUNCHER_CONTROLLER
-                           onLinkNavigation:YES];
-  ExpectHandlerCalledAndReset(1);
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_LAUNCHER_CONTROLLER
-                           onLinkNavigation:NO];
-  ExpectHandlerCalledAndReset(1);
-
-  SetExpectedActionName("MobileGALOpenPolicyInfoBar");
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_OPEN_POLICY_CONTROLLER
-                           onLinkNavigation:YES];
-  ExpectHandlerCalledAndReset(1);
-  [controller_ recordInfobarDisplayedOfType:NATIVE_APP_OPEN_POLICY_CONTROLLER
-                           onLinkNavigation:NO];
-  ExpectHandlerCalledAndReset(1);
-}
-
-// Tests presenting NativeAppInfoBar after page is loaded.
-TEST_F(NativeAppNavigationControllerTest, NativeAppInfoBar) {
-  SetExpectedActionName("MobileGALInstallInfoBarDirectNavigation");
-  InfoBarManagerImpl::CreateForWebState(web_state());
-
-  // Set up fake metadata.
-  FakeNativeAppWhitelistManager* fakeManager =
-      [[FakeNativeAppWhitelistManager alloc] init];
-  IOSChromeScopedTestingChromeBrowserProvider provider(
-      base::MakeUnique<FakeChromeBrowserProvider>(fakeManager));
-  FakeNativeAppMetadata* metadata = [[FakeNativeAppMetadata alloc] init];
-  fakeManager.metadata = metadata;
-  metadata.appName = @"App";
-  metadata.appId = @"App-ID";
-
-  // Load the page to trigger infobar presentation.
-  LoadHtml(@"<html><body></body></html>", GURL("http://test.com"));
-
-  // Verify that infobar was presented
-  auto* infobar_manager = InfoBarManagerImpl::FromWebState(web_state());
-  ASSERT_EQ(1U, infobar_manager->infobar_count());
-  infobars::InfoBar* infobar = infobar_manager->infobar_at(0);
-  auto* delegate = infobar->delegate()->AsNativeAppInfoBarDelegate();
-  ASSERT_TRUE(delegate);
-
-  // Verify infobar appearance.
-  EXPECT_EQ("Open this page in the App app?",
-            base::UTF16ToUTF8(delegate->GetInstallText()));
-  EXPECT_EQ("Open this page in the App app?",
-            base::UTF16ToUTF8(delegate->GetLaunchText()));
-  EXPECT_EQ("Open in App", base::UTF16ToUTF8(delegate->GetOpenPolicyText()));
-  EXPECT_EQ("Just once", base::UTF16ToUTF8(delegate->GetOpenOnceText()));
-  EXPECT_EQ("Always", base::UTF16ToUTF8(delegate->GetOpenAlwaysText()));
-  EXPECT_NSEQ(@"App-ID", delegate->GetAppId());
-}
-
-TEST_F(NativeAppNavigationControllerTest,
-       TestRemovingAppFromListAfterInstallation) {
-  NSString* const kMapsAppName = @"Maps";
-  NSString* const kMapsAppId = @"1";
-  NSString* const kYoutubeAppName = @"Youtube";
-  NSString* const kYoutubeAppId = @"2";
-
-  InstallationNotifier* installationNotifier =
-      [[InstallationNotifier alloc] init];
-
-  FakeNativeAppWhitelistManager* fakeManager =
-      [[FakeNativeAppWhitelistManager alloc] init];
-  IOSChromeScopedTestingChromeBrowserProvider provider(
-      base::MakeUnique<FakeChromeBrowserProvider>(fakeManager));
-
-  FakeNativeAppMetadata* metadataMaps = [[FakeNativeAppMetadata alloc] init];
-  [metadataMaps setAppName:kMapsAppName];
-  [metadataMaps setAppId:kMapsAppId];
-  ASSERT_TRUE(metadataMaps);
-  NSString* appIdMaps = [metadataMaps appId];
-  NSNotification* notificationMaps =
-      [NSNotification notificationWithName:kMapsAppName
-                                    object:installationNotifier];
-
-  FakeNativeAppMetadata* metadataYouTube = [[FakeNativeAppMetadata alloc] init];
-  [metadataYouTube setAppName:kYoutubeAppName];
-  [metadataYouTube setAppId:kYoutubeAppId];
-
-  ASSERT_TRUE(metadataYouTube);
-  NSString* appIdYouTube = [metadataYouTube appId];
-  NSNotification* notificationYouTube =
-      [NSNotification notificationWithName:kYoutubeAppName
-                                    object:installationNotifier];
-
-  DCHECK([[controller_ appsPossiblyBeingInstalled] count] == 0);
-  [[controller_ appsPossiblyBeingInstalled] addObject:appIdMaps];
-  DCHECK([[controller_ appsPossiblyBeingInstalled] count] == 1);
-  [[controller_ appsPossiblyBeingInstalled] addObject:appIdYouTube];
-  DCHECK([[controller_ appsPossiblyBeingInstalled] count] == 2);
-  [fakeManager setAppScheme:kMapsAppName];
-  [controller_ removeAppFromNotification:notificationMaps];
-  DCHECK([[controller_ appsPossiblyBeingInstalled] count] == 1);
-  [fakeManager setAppScheme:kYoutubeAppName];
-  [controller_ removeAppFromNotification:notificationYouTube];
-  DCHECK([[controller_ appsPossiblyBeingInstalled] count] == 0);
-}
-
-}  // namespace

ios/chrome/browser/native_app_launcher/native_app_navigation_util.h

-// 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.
-
-#ifndef IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_UTIL_H_
-#define IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_UTIL_H_
-
-namespace web {
-class WebState;
-}  // namespace web
-
-namespace native_app_launcher {
-
-// Returns whether the current state is arrived at via a "link navigation" in
-// the sense of Native App Launcher, i.e. a navigation caused by an explicit
-// user action in the rectangle of the web content area. |web_state| must not
-// be nullptr.
-bool IsLinkNavigation(web::WebState* web_state);
-
-}  // namespace native_app_launcher
-
-#endif  // IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_UTIL_H_

ios/chrome/browser/native_app_launcher/native_app_navigation_util.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"
-
-#import "ios/chrome/browser/web/navigation_manager_util.h"
-#import "ios/web/public/navigation_item.h"
-#import "ios/web/public/web_state/web_state.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace native_app_launcher {
-
-bool IsLinkNavigation(web::WebState* web_state) {
-  DCHECK(web_state);
-  web::NavigationItem* item =
-      GetLastCommittedNonRedirectedItem(web_state->GetNavigationManager());
-  if (!item)
-    return false;
-  ui::PageTransition transition = item->GetTransitionType();
-  return PageTransitionCoreTypeIs(transition, ui::PAGE_TRANSITION_LINK) ||
-         PageTransitionCoreTypeIs(transition,
-                                  ui::PAGE_TRANSITION_AUTO_BOOKMARK);
-}
-
-}  // namespace native_app_launcher

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()));
-}

ios/chrome/browser/tabs/BUILD.gn

@@ -92,7 +92,6 @@ source_set("tabs_internal") {
     "//ios/chrome/browser/infobars",
     "//ios/chrome/browser/metrics",
     "//ios/chrome/browser/metrics:metrics_internal",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/passwords",
     "//ios/chrome/browser/passwords:passwords_internal",
     "//ios/chrome/browser/reading_list",

ios/chrome/browser/ui/BUILD.gn

@@ -258,7 +258,6 @@ source_set("ui_internal_arc") {
     "//ios/chrome/browser/geolocation:geolocation_internal",
     "//ios/chrome/browser/infobars",
     "//ios/chrome/browser/metrics:metrics_internal",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/net",
     "//ios/chrome/browser/passwords",
     "//ios/chrome/browser/prefs",
@@ -380,7 +379,6 @@ source_set("ui_internal") {
     "//ios/chrome/browser/geolocation:geolocation_internal",
     "//ios/chrome/browser/infobars",
     "//ios/chrome/browser/metrics:metrics_internal",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/net",
     "//ios/chrome/browser/passwords",
     "//ios/chrome/browser/prefs",

ios/chrome/browser/ui/downloads/BUILD.gn

@@ -47,7 +47,6 @@ source_set("downloads") {
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/native_app_launcher",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/store_kit",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/alert_coordinator",

ios/chrome/browser/ui/settings/BUILD.gn

@@ -142,7 +142,6 @@ source_set("settings") {
     "//ios/chrome/browser/browsing_data",
     "//ios/chrome/browser/content_settings",
     "//ios/chrome/browser/history",
-    "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/passwords",
     "//ios/chrome/browser/physical_web",
     "//ios/chrome/browser/prefs",

ios/chrome/test/BUILD.gn

@@ -143,7 +143,6 @@ test("ios_chrome_unittests") {
     "//ios/chrome/browser/metrics:unit_tests",
     "//ios/chrome/browser/metrics:unit_tests_internal",
     "//ios/chrome/browser/native_app_launcher:unit_tests",
-    "//ios/chrome/browser/native_app_launcher:unit_tests_internal",
     "//ios/chrome/browser/net:unit_tests",
     "//ios/chrome/browser/omaha:unit_tests",
     "//ios/chrome/browser/passwords:unit_tests",