Implement a sketch of the new MD Incognito NTP on Android

chrome/android/java/src/org/chromium/chrome/browser/ntp/IncognitoNewTabPage.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.ntp;
 
 import android.app.Activity;
 import android.graphics.Canvas;
 import android.support.v4.view.ViewCompat;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.NativePage;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.compositor.layouts.content.InvalidationAwareThumbnailProvider;
 import org.chromium.chrome.browser.help.HelpAndFeedback;
 import org.chromium.chrome.browser.ntp.IncognitoNewTabPageView.IncognitoNewTabPageManager;
 import org.chromium.chrome.browser.profiles.Profile;
 
 /**
  * Provides functionality when the user interacts with the Incognito NTP.
  */
@@ skipping 29 matching lines @@
     public IncognitoNewTabPage(Activity activity) {
         mActivity = activity;
 
         mTitle = activity.getResources().getString(R.string.button_new_tab);
         mBackgroundColor =
                 ApiCompatibilityUtils.getColor(activity.getResources(), R.color.ntp_bg_incognito);
         mThemeColor = ApiCompatibilityUtils.getColor(activity.getResources(),
                 R.color.incognito_primary_color);
 
         LayoutInflater inflater = LayoutInflater.from(activity);
-        mIncognitoNewTabPageView =
-                (IncognitoNewTabPageView) inflater.inflate(R.layout.new_tab_page_incognito, null);
+        mIncognitoNewTabPageView = (IncognitoNewTabPageView) inflater.inflate(useMDIncognitoNTP()
+                        ? R.layout.new_tab_page_incognito_md
+                        : R.layout.new_tab_page_incognito,
+                null);
         mIncognitoNewTabPageView.initialize(mIncognitoNewTabPageManager);
 
-        TextView newTabIncognitoMessage = (TextView) mIncognitoNewTabPageView.findViewById(
-                R.id.new_tab_incognito_message);
-        newTabIncognitoMessage.setText(
-                activity.getResources().getString(R.string.new_tab_incognito_message));
+        if (!useMDIncognitoNTP()) {
+            TextView newTabIncognitoMessage = (TextView) mIncognitoNewTabPageView.findViewById(
+                    R.id.new_tab_incognito_message);
+            newTabIncognitoMessage.setText(
+                    activity.getResources().getString(R.string.new_tab_incognito_message));
+        }
+    }
+
+    private static boolean useMDIncognitoNTP() {
+        return ChromeFeatureList.isEnabled(ChromeFeatureList.MATERIAL_DESIGN_INCOGNITO_NTP);
     }
 
     /**
      * @return Whether the NTP has finished loaded.
      */
     @VisibleForTesting
     public boolean isLoadedForTests() {
         return mIsLoaded;
     }
 
@@ skipping 49 matching lines @@
     @Override
     public boolean shouldCaptureThumbnail() {
         return mIncognitoNewTabPageView.shouldCaptureThumbnail();
     }
 
     @Override
     public void captureThumbnail(Canvas canvas) {
         mIncognitoNewTabPageView.captureThumbnail(canvas);
     }
 }