Add feature for condensed NTP tiles.

chrome/android/java/src/org/chromium/chrome/browser/ChromeFeatureList.java

 // 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.
 
 package org.chromium.chrome.browser;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.MainDex;
 
@@ skipping 114 matching lines @@
     public static final String CONSISTENT_OMNIBOX_GEOLOCATION = "ConsistentOmniboxGeolocation";
     public static final String CONTEXTUAL_SEARCH_SINGLE_ACTIONS = "ContextualSearchSingleActions";
     public static final String CONTEXTUAL_SEARCH_URL_ACTIONS = "ContextualSearchUrlActions";
     public static final String CUSTOM_FEEDBACK_UI = "CustomFeedbackUi";
     /** Whether we show an important sites dialog in the "Clear Browsing Data" flow. */
     public static final String IMPORTANT_SITES_IN_CBD = "ImportantSitesInCBD";
     public static final String TABS_IN_CBD = "TabsInCBD";
     public static final String IMPROVED_A2HS = "ImprovedA2HS";
     public static final String NO_CREDIT_CARD_ABORT = "NoCreditCardAbort";
     public static final String NTP_CONDENSED_LAYOUT = "NTPCondensedLayout";
+    public static final String NTP_CONDENSED_TILE_LAYOUT_FOR_SMALL_SCREENS =
+            "NTPCondensedTileLayoutForSmallScreens";
+    public static final String NTP_CONDENSED_TILE_LAYOUT_FOR_LARGE_SCREENS =
+            "NTPCondensedTileLayoutForLargeScreens";
     public static final String NTP_FAKE_OMNIBOX_TEXT = "NTPFakeOmniboxText";
     public static final String NTP_FOREIGN_SESSIONS_SUGGESTIONS = "NTPForeignSessionsSuggestions";
     public static final String NTP_OFFLINE_PAGES_FEATURE_NAME = "NTPOfflinePages";
     public static final String NTP_SHOW_GOOGLE_G_IN_OMNIBOX = "NTPShowGoogleGInOmnibox";
     public static final String NTP_SNIPPETS_INCREASED_VISIBILITY = "NTPSnippetsIncreasedVisibility";
     public static final String NTP_SNIPPETS_SAVE_TO_OFFLINE = "NTPSaveToOffline";
     public static final String NTP_SNIPPETS_OFFLINE_BADGE = "NTPOfflineBadge";
     public static final String NTP_SUGGESTIONS_STANDALONE_UI = "NTPSuggestionsStandaloneUI";
     public static final String SERVICE_WORKER_PAYMENT_APPS = "ServiceWorkerPaymentApps";
     public static final String TAB_REPARENTING = "TabReparenting";
     public static final String VR_SHELL = "VrShell";
     public static final String WEB_PAYMENTS = "WebPayments";
     public static final String WEB_PAYMENTS_MODIFIERS = "WebPaymentsModifiers";
     public static final String WEB_PAYMENTS_SINGLE_APP_UI_SKIP = "WebPaymentsSingleAppUiSkip";
     public static final String WEBVR_CARDBOARD_SUPPORT = "WebVRCardboardSupport";
 
     private static native boolean nativeIsEnabled(String featureName);
     private static native String nativeGetFieldTrialParamByFeature(
             String featureName, String paramName);
     private static native int nativeGetFieldTrialParamByFeatureAsInt(
             String featureName, String paramName, int defaultValue);
     private static native double nativeGetFieldTrialParamByFeatureAsDouble(
             String featureName, String paramName, double defaultValue);
     private static native boolean nativeGetFieldTrialParamByFeatureAsBoolean(
             String featureName, String paramName, boolean defaultValue);
 }