Revert of Removes Native App Launcher functionality.

ios/chrome/browser/tabs/tab.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/tabs/tab.h"
 
 #import <CoreLocation/CoreLocation.h>
 #import <UIKit/UIKit.h>
 
 #include <utility>
@@ skipping 44 matching lines @@
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #import "ios/chrome/browser/crash_loop_detection_util.h"
 #include "ios/chrome/browser/experimental_flags.h"
 #import "ios/chrome/browser/find_in_page/find_in_page_controller.h"
 #import "ios/chrome/browser/geolocation/omnibox_geolocation_controller.h"
 #include "ios/chrome/browser/history/history_service_factory.h"
 #include "ios/chrome/browser/history/top_sites_factory.h"
 #include "ios/chrome/browser/infobars/infobar_manager_impl.h"
 #import "ios/chrome/browser/metrics/tab_usage_recorder.h"
+#import "ios/chrome/browser/native_app_launcher/native_app_navigation_controller.h"
 #import "ios/chrome/browser/passwords/password_controller.h"
 #import "ios/chrome/browser/passwords/passwords_ui_delegate_impl.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/reading_list/reading_list_model_factory.h"
 #include "ios/chrome/browser/search_engines/template_url_service_factory.h"
 #include "ios/chrome/browser/sessions/ios_chrome_session_tab_helper.h"
 #include "ios/chrome/browser/signin/account_consistency_service_factory.h"
 #include "ios/chrome/browser/signin/account_reconcilor_factory.h"
+#include "ios/chrome/browser/signin/authentication_service.h"
+#include "ios/chrome/browser/signin/authentication_service_factory.h"
 #include "ios/chrome/browser/signin/signin_capability.h"
 #import "ios/chrome/browser/snapshots/snapshot_manager.h"
 #import "ios/chrome/browser/snapshots/snapshot_overlay_provider.h"
 #import "ios/chrome/browser/snapshots/web_controller_snapshot_helper.h"
 #import "ios/chrome/browser/tabs/legacy_tab_helper.h"
 #import "ios/chrome/browser/tabs/tab_delegate.h"
 #import "ios/chrome/browser/tabs/tab_dialog_delegate.h"
 #import "ios/chrome/browser/tabs/tab_headers_delegate.h"
 #import "ios/chrome/browser/tabs/tab_helper_util.h"
 #import "ios/chrome/browser/tabs/tab_model.h"
@@ skipping 14 matching lines @@
 #import "ios/chrome/browser/ui/reader_mode/reader_mode_checker.h"
 #import "ios/chrome/browser/ui/reader_mode/reader_mode_controller.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/web/auto_reload_bridge.h"
 #import "ios/chrome/browser/web/external_app_launcher.h"
 #import "ios/chrome/browser/web/navigation_manager_util.h"
 #import "ios/chrome/browser/web/passkit_dialog_provider.h"
 #include "ios/chrome/browser/web/print_observer.h"
 #import "ios/chrome/browser/xcallback_parameters.h"
 #include "ios/chrome/grit/ios_strings.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_whitelist_manager.h"
 #import "ios/web/navigation/crw_session_controller.h"
 #import "ios/web/navigation/navigation_item_impl.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #include "ios/web/public/favicon_status.h"
 #include "ios/web/public/favicon_url.h"
 #include "ios/web/public/interstitials/web_interstitial.h"
 #include "ios/web/public/load_committed_details.h"
 #import "ios/web/public/navigation_manager.h"
 #include "ios/web/public/referrer.h"
 #import "ios/web/public/serializable_user_data_manager.h"
@@ skipping 153 matching lines @@
       inputAccessoryViewController_;
 
   // TODO(crbug.com/661665): move the WebContentsObservers into their own
   // container.
   // Handles saving and autofill of passwords.
   base::scoped_nsobject<PasswordController> passwordController_;
 
   // Handles autofill.
   base::scoped_nsobject<AutofillController> autofillController_;
 
+  // Handles GAL infobar on web pages.
+  base::scoped_nsobject<NativeAppNavigationController>
+      nativeAppNavigationController_;
+
   // Handles caching and retrieving of snapshots.
   base::scoped_nsobject<SnapshotManager> snapshotManager_;
 
   // Handles retrieving, generating and updating snapshots of CRWWebController's
   // web page.
   base::scoped_nsobject<WebControllerSnapshotHelper>
       webControllerSnapshotHelper_;
 
   // Handles support for window.print JavaScript calls.
   std::unique_ptr<PrintObserver> printObserver_;
@@ skipping 44 matching lines @@
 
 // Adds the current session entry to this history database.
 - (void)addCurrentEntryToHistoryDB;
 
 // Adds any cached entries from |addPageVector_| to the history DB.
 - (void)commitCachedEntriesToHistoryDB;
 
 // Returns the OpenInController for this tab.
 - (OpenInController*)openInController;
 
+// Initialize the Native App Launcher controller.
+- (void)initNativeAppNavigationController;
+
 // Handles exportable files if possible.
 - (void)handleExportableFile:(net::HttpResponseHeaders*)headers;
 
 // Called after the session history is replaced, useful for updating members
 // with new sessionID.
 - (void)didReplaceSessionHistory;
 
 // Called when the UIApplication's state becomes active.
 - (void)applicationDidBecomeActive;
 
@@ skipping 132 matching lines @@
 
     [self updateLastVisitedTimestamp];
     [[self webController] addObserver:self];
     [[self webController] setDelegate:self];
 
     snapshotManager_.reset([[SnapshotManager alloc] init]);
     webControllerSnapshotHelper_.reset([[WebControllerSnapshotHelper alloc]
         initWithSnapshotManager:snapshotManager_
                             tab:self]);
 
+    [self initNativeAppNavigationController];
+
     [[NSNotificationCenter defaultCenter]
         addObserver:self
            selector:@selector(applicationDidBecomeActive)
                name:UIApplicationDidBecomeActiveNotification
              object:nil];
   }
   return self;
 }
 
 - (void)attachTabHelpers {
@@ skipping 1098 matching lines @@
   if (isPrerenderTab_ && !isLinkLoadingPrerenderTab_) {
     [delegate_ discardPrerender];
     return NO;
   }
   return YES;
 }
 
 - (BOOL)urlTriggersNativeAppLaunch:(const GURL&)url
                          sourceURL:(const GURL&)sourceURL
                        linkClicked:(BOOL)linkClicked {
-  // TODO(crbug/711511): Returning NO bypasses all Link Navigation logic
-  // for Native App Launcher. This call should eventually be eliminated.
+  // Don't open any native app directly when prerendering or from Incognito.
+  if (isPrerenderTab_ || self.browserState->IsOffTheRecord())
+    return NO;
+
+  base::scoped_nsprotocol<id<NativeAppMetadata>> metadata(
+      [[ios::GetChromeBrowserProvider()->GetNativeAppWhitelistManager()
+          nativeAppForURL:url] retain]);
+  if (![metadata shouldAutoOpenLinks])
+    return NO;
+
+  AuthenticationService* authenticationService =
+      AuthenticationServiceFactory::GetForBrowserState(self.browserState);
+  ChromeIdentity* identity = authenticationService->GetAuthenticatedIdentity();
+
+  // Attempts to open external app without x-callback.
+  if ([self openExternalURL:[metadata launchURLWithURL:url identity:identity]
+                  sourceURL:sourceURL
+                linkClicked:linkClicked]) {
+    return YES;
+  }
+
+  // Auto-open didn't work. Reset the auto-open flag.
+  [metadata unsetShouldAutoOpenLinks];
   return NO;
 }
 
 - (double)lastVisitedTimestamp {
   return lastVisitedTimestamp_;
 }
 
 - (void)updateLastVisitedTimestamp {
   lastVisitedTimestamp_ = [[NSDate date] timeIntervalSince1970];
 }
@@ skipping 245 matching lines @@
             appendTo:kLastTab]);
     [self.view chromeExecuteCommand:command];
   } else {
     base::scoped_nsobject<GenericChromeCommand> chromeCommand(
         [[GenericChromeCommand alloc] initWithTag:IDC_NEW_INCOGNITO_TAB]);
     [self.view chromeExecuteCommand:chromeCommand];
   }
 }
 
 - (NativeAppNavigationController*)nativeAppNavigationController {
-  // TODO(crbug.com/711511): This call should eventually be eliminated.
-  return nil;
+  return nativeAppNavigationController_;
+}
+
+- (void)initNativeAppNavigationController {
+  if (browserState_->IsOffTheRecord())
+    return;
+  DCHECK(!nativeAppNavigationController_);
+  nativeAppNavigationController_.reset(
+      [[NativeAppNavigationController alloc] initWithWebState:self.webState]);
+  DCHECK(nativeAppNavigationController_);
 }
 
 - (id<PassKitDialogProvider>)passKitDialogProvider {
   return passKitDialogProvider_.get();
 }
 
 - (void)setPassKitDialogProvider:(id<PassKitDialogProvider>)provider {
   passKitDialogProvider_.reset(provider);
 }
 
@@ skipping 30 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end