Delete the NTPPreferAmpUrls feature flag.

components/ntp_snippets/remote/remote_suggestion.cc

 // 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.
 
 #include "components/ntp_snippets/remote/remote_suggestion.h"
 
-#include "base/feature_list.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "components/ntp_snippets/category.h"
-#include "components/ntp_snippets/features.h"
 #include "components/ntp_snippets/remote/proto/ntp_snippets.pb.h"
 
 namespace {
 
 struct SnippetSource {
   SnippetSource(const GURL& url,
                 const std::string& publisher_name,
                 const GURL& amp_url)
       : url(url), publisher_name(publisher_name), amp_url(amp_url) {}
   GURL url;
@@ skipping 357 matching lines @@
 
   if (!fetch_date_.is_null()) {
     result.set_fetch_date(fetch_date_.ToInternalValue());
   }
   return result;
 }
 
 ContentSuggestion RemoteSuggestion::ToContentSuggestion(
     Category category) const {
   GURL url = url_;
-  bool use_amp = base::FeatureList::IsEnabled(kPreferAmpUrlsFeature) &&
-                 !amp_url_.is_empty();
+  bool use_amp = !amp_url_.is_empty();
   if (use_amp) {
     url = amp_url_;
   }
   ContentSuggestion suggestion(category, id(), url);
   // Set url for fetching favicons if it differs from the main url (domains of
   // AMP URLs sometimes failed to provide favicons).
   if (use_amp) {
     suggestion.set_url_with_favicon(url_);
   }
   suggestion.set_title(base::UTF8ToUTF16(title_));
@@ skipping 30 matching lines @@
 }
 
 // static
 std::unique_ptr<RemoteSuggestion> RemoteSuggestion::MakeUnique(
     const std::vector<std::string>& ids,
     int remote_category_id) {
   return base::WrapUnique(new RemoteSuggestion(ids, remote_category_id));
 }
 
 }  // namespace ntp_snippets