Removed IsNativeAppLauncherEnabled() experiment

ios/chrome/browser/ui/settings/content_settings_collection_view_controller.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/ui/settings/content_settings_collection_view_controller.h"
 
 #include "base/logging.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/prefs/pref_service.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/translate/core/browser/translate_pref_names.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/content_settings/host_content_settings_map_factory.h"
-#include "ios/chrome/browser/experimental_flags.h"
 #import "ios/chrome/browser/prefs/pref_observer_bridge.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_detail_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
 #import "ios/chrome/browser/ui/settings/block_popups_collection_view_controller.h"
 #import "ios/chrome/browser/ui/settings/compose_email_handler_collection_view_controller.h"
 #import "ios/chrome/browser/ui/settings/settings_navigation_controller.h"
 #import "ios/chrome/browser/ui/settings/translate_collection_view_controller.h"
 #import "ios/chrome/browser/ui/settings/utils/content_setting_backed_boolean.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
@@ skipping 23 matching lines @@
                                                       BooleanObserver> {
   // Pref observer to track changes to prefs.
   std::unique_ptr<PrefObserverBridge> _prefObserverBridge;
   // Registrar for pref changes notifications.
   PrefChangeRegistrar _prefChangeRegistrar;
 
   // The observable boolean that binds to the "Disable Popups" setting state.
   ContentSettingBackedBoolean* _disablePopupsSetting;
 
   // This object contains the list of available Mail client apps that can
-  // handle mailto: URLs. The value can be nil if mailto: URL rewriting is
-  // not available because of experimental settings.
+  // handle mailto: URLs.
   MailtoURLRewriter* _mailtoURLRewriter;
 
   // Updatable Items
   CollectionViewDetailItem* _blockPopupsDetailItem;
   CollectionViewDetailItem* _translateDetailItem;
   CollectionViewDetailItem* _composeEmailDetailItem;
 }
 
 // Returns the value for the default setting with ID |settingID|.
 - (ContentSetting)getContentSetting:(ContentSettingsType)settingID;
@@ skipping 24 matching lines @@
                                                      &_prefChangeRegistrar);
 
     HostContentSettingsMap* settingsMap =
         ios::HostContentSettingsMapFactory::GetForBrowserState(browserState);
     _disablePopupsSetting = [[ContentSettingBackedBoolean alloc]
         initWithHostContentSettingsMap:settingsMap
                              settingID:CONTENT_SETTINGS_TYPE_POPUPS
                               inverted:YES];
     [_disablePopupsSetting setObserver:self];
 
-    if (!experimental_flags::IsNativeAppLauncherEnabled()) {
-      _mailtoURLRewriter = [[MailtoURLRewriter alloc] initWithStandardHandlers];
-      [_mailtoURLRewriter setObserver:self];
-    }
+    _mailtoURLRewriter = [[MailtoURLRewriter alloc] initWithStandardHandlers];
+    [_mailtoURLRewriter setObserver:self];
 
     [self loadModel];
   }
   return self;
 }
 
 - (void)dealloc {
   [_disablePopupsSetting setObserver:nil];
 }
 
 - (instancetype)init {
   NOTREACHED();
   return nil;
 }
 
 - (void)loadModel {
   [super loadModel];
 
   CollectionViewModel* model = self.collectionViewModel;
   [model addSectionWithIdentifier:SectionIdentifierSettings];
   [model addItem:[self blockPopupsItem]
       toSectionWithIdentifier:SectionIdentifierSettings];
   [model addItem:[self translateItem]
       toSectionWithIdentifier:SectionIdentifierSettings];
-  if (!experimental_flags::IsNativeAppLauncherEnabled()) {
-    [model addItem:[self composeEmailItem]
-        toSectionWithIdentifier:SectionIdentifierSettings];
-  }
+  [model addItem:[self composeEmailItem]
+      toSectionWithIdentifier:SectionIdentifierSettings];
 }
 
 - (CollectionViewItem*)blockPopupsItem {
   _blockPopupsDetailItem = [[CollectionViewDetailItem alloc]
       initWithType:ItemTypeSettingsBlockPopups];
   NSString* subtitle = [_disablePopupsSetting value]
                            ? l10n_util::GetNSString(IDS_IOS_SETTING_ON)
                            : l10n_util::GetNSString(IDS_IOS_SETTING_OFF);
   _blockPopupsDetailItem.text = l10n_util::GetNSString(IDS_IOS_BLOCK_POPUPS);
   _blockPopupsDetailItem.detailText = subtitle;
@@ skipping 96 matching lines @@
 #pragma mark - MailtoURLRewriterObserver
 
 - (void)rewriterDidChange:(MailtoURLRewriter*)rewriter {
   if (rewriter != _mailtoURLRewriter)
     return;
   _composeEmailDetailItem.detailText = [rewriter defaultHandlerName];
   [self reconfigureCellsForItems:@[ _composeEmailDetailItem ]];
 }
 
 @end