Remove SpotlightActions experimental flag.

ios/chrome/app/application_delegate/user_activity_handler.mm

 // Copyright 2016 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/app/application_delegate/user_activity_handler.h"
 
 #import <CoreSpotlight/CoreSpotlight.h>
 #import <UIKit/UIKit.h>
 
 #include "base/ios/block_types.h"
 #include "base/ios/ios_util.h"
 #include "base/mac/foundation_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/handoff/handoff_utility.h"
 #import "ios/chrome/app/application_delegate/startup_information.h"
 #import "ios/chrome/app/application_delegate/tab_opening.h"
 #include "ios/chrome/app/application_mode.h"
 #import "ios/chrome/app/spotlight/actions_spotlight_manager.h"
 #import "ios/chrome/app/spotlight/spotlight_util.h"
 #include "ios/chrome/browser/app_startup_parameters.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
-#include "ios/chrome/browser/experimental_flags.h"
 #include "ios/chrome/browser/metrics/first_user_action_recorder.h"
 #import "ios/chrome/browser/tabs/tab.h"
 #import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/u2f/u2f_controller.h"
 #import "ios/chrome/browser/ui/main/browser_view_information.h"
 #import "net/base/mac/url_conversions.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ skipping 49 matching lines @@
     [startupInformation setStartupParameters:startupParams];
     base::RecordAction(base::UserMetricsAction("IOSLaunchedByUniversalLink"));
   } else if (spotlight::IsSpotlightAvailable() &&
              [userActivity.activityType
                  isEqualToString:CSSearchableItemActionType]) {
     // App was launched by iOS as the result of a tap on a Spotlight Search
     // result.
     NSString* itemID =
         [userActivity.userInfo objectForKey:CSSearchableItemActivityIdentifier];
     spotlight::Domain domain = spotlight::SpotlightDomainFromString(itemID);
-    if (domain == spotlight::DOMAIN_ACTIONS &&
-        !experimental_flags::IsSpotlightActionsEnabled()) {
-      return NO;
-    }
     UMA_HISTOGRAM_ENUMERATION("IOS.Spotlight.Origin", domain,
                               spotlight::DOMAIN_COUNT);
 
     if (!itemID) {
       return NO;
     }
     if (domain == spotlight::DOMAIN_ACTIONS) {
       webpageURL =
           [NSURL URLWithString:base::SysUTF8ToNSString(kChromeUINewTabURL)];
       AppStartupParameters* startupParams = [[AppStartupParameters alloc]
@@ skipping 202 matching lines @@
     for (Tab* tab in tabModel) {
       if ([tab.tabId isEqualToString:tabID]) {
         [tab evaluateU2FResultFromURL:URL];
         return;
       }
     }
   }
 }
 
 @end