Enable Spotlight Actions by default.

ios/chrome/browser/experimental_flags.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.
 
 // This file can be empty. Its purpose is to contain the relatively short lived
 // definitions required for experimental flags.
 
 #include "ios/chrome/browser/experimental_flags.h"
 
 #include <dispatch/dispatch.h>
@@ skipping 169 matching lines @@
     return false;
   }
 
   // Check if the Finch experiment is turned on.
   return base::StartsWith(group_name, "Enabled",
                           base::CompareCase::INSENSITIVE_ASCII);
 }
 
 bool IsSpotlightActionsEnabled() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kEnableSpotlightActions)) {
-    return true;
-  } else if (command_line->HasSwitch(switches::kDisableSpotlightActions)) {
-    return false;
-  }
-
-  // Check if the finch experiment is turned on.
-  std::string group_name =
-      base::FieldTrialList::FindFullName("SpotlightActionsEnabled");
-  return base::StartsWith(group_name, "Enabled",
-                          base::CompareCase::INSENSITIVE_ASCII);
+  return !command_line->HasSwitch(switches::kDisableSpotlightActions);
 }
 
 }  // namespace experimental_flags