Remove unused pre-material NTP styling.

chrome/browser/android/chrome_feature_list.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 "chrome/browser/android/chrome_feature_list.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 24 matching lines @@
     &features::kAutoplayMutedVideos,
     &features::kCredentialManagementAPI,
     &features::kSimplifiedFullscreenUI,
     &features::kWebPayments,
     &kAndroidPayIntegrationV1,
     &kDownloadsUiFeature,
     &kImportantSitesInCBD,
     &ntp_snippets::kContentSuggestionsFeature,
     &ntp_snippets::kSaveToOfflineFeature,
     &kNTPFakeOmniboxTextFeature,
-    &kNTPMaterialDesign,
     &kNTPOfflinePagesFeature,
     &kPhysicalWebFeature,
     &kPhysicalWebIgnoreOtherClientsFeature,
     &kScanCardsInWebPayments,
     &kSpecialLocaleFeature,
     &kSpecialLocaleWrapper,
     &kTabReparenting,
     &kCCTExternalLinkHandling,
     &offline_pages::kOfflinePagesBackgroundLoadingFeature,
     &offline_pages::kBackgroundLoaderForDownloadsFeature,
     &offline_pages::kOfflinePagesCTFeature,  // See crbug.com/620421.
     &offline_pages::kOfflinePagesSharingFeature,
     &password_manager::features::kViewPasswords,
 };
 
 }  // namespace
 
 const base::Feature kAndroidPayIntegrationV1{"AndroidPayIntegrationV1",
                                              base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kDownloadsUiFeature{"DownloadsUi",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kImportantSitesInCBD{"ImportantSitesInCBD",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kNTPMaterialDesign{"NTPMaterialDesign",
-                                       base::FEATURE_ENABLED_BY_DEFAULT};
-
 const base::Feature kNTPOfflinePagesFeature{"NTPOfflinePages",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kNTPFakeOmniboxTextFeature{
     "NTPFakeOmniboxText", base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kPhysicalWebFeature{"PhysicalWeb",
                                         base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kPhysicalWebIgnoreOtherClientsFeature{
@@ skipping 29 matching lines @@
   NOTREACHED();
   return false;
 }
 
 bool RegisterChromeFeatureListJni(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace chrome