Disables Native App Launcher functionality.

ios/chrome/browser/ui/settings/settings_collection_view_controller.mm

 // Copyright 2015 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/ui/settings/settings_collection_view_controller.h"
 
 #include <memory>
 
 #import "base/ios/weak_nsobject.h"
 #import "base/mac/foundation_util.h"
@@ skipping 340 matching lines @@
   basicsHeader.text = l10n_util::GetNSString(IDS_IOS_OPTIONS_GENERAL_TAB_LABEL);
   basicsHeader.textColor = [[MDCPalette greyPalette] tint500];
   [model setHeader:basicsHeader
       forSectionWithIdentifier:SectionIdentifierBasics];
   [model addItem:[self searchEngineDetailItem]
       toSectionWithIdentifier:SectionIdentifierBasics];
   [model addItem:[self savePasswordsDetailItem]
       toSectionWithIdentifier:SectionIdentifierBasics];
   [model addItem:[self autoFillDetailItem]
       toSectionWithIdentifier:SectionIdentifierBasics];
-  [model addItem:[self nativeAppsDetailItem]
-      toSectionWithIdentifier:SectionIdentifierBasics];
+  if (experimental_flags::IsNativeAppLauncherEnabled()) {
+    [model addItem:[self nativeAppsDetailItem]
+        toSectionWithIdentifier:SectionIdentifierBasics];
+  }
 
   // Advanced Section
   [model addSectionWithIdentifier:SectionIdentifierAdvanced];
   CollectionViewTextItem* advancedHeader = [
       [[CollectionViewTextItem alloc] initWithType:ItemTypeHeader] autorelease];
   advancedHeader.text =
       l10n_util::GetNSString(IDS_IOS_OPTIONS_ADVANCED_TAB_LABEL);
   advancedHeader.textColor = [[MDCPalette greyPalette] tint500];
   [model setHeader:advancedHeader
       forSectionWithIdentifier:SectionIdentifierAdvanced];
@@ skipping 785 matching lines @@
   if (signinPromoItem) {
     signinPromoItem.configurator = configurator;
     [self reconfigureCellsForItems:@[ signinPromoItem ]
            inSectionWithIdentifier:SectionIdentifierSignIn];
     if (newIdentity)
       [self.collectionViewLayout invalidateLayout];
   }
 }
 
 @end