Reland of Update NTP to new material design spec.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NtpColorUtils.java

+// Copyright 2016 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.content.res.Resources;
+
+import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromeFeatureList;
+
+/**
+ * Utility class for figuring out which colors to use for the NTP. This class is needed while we
+ * transition the NTP to the new material design spec.
+ */
+public class NtpColorUtils {
+
+    private NtpColorUtils() {}
+
+    public static int getBackgroundColorResource(Resources res) {
+        return (ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_SNIPPETS)
+                       || ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_MATERIAL_DESIGN))
+                ? ApiCompatibilityUtils.getColor(res, R.color.ntp_material_design_bg)
+                : ApiCompatibilityUtils.getColor(res, R.color.ntp_bg);
+    }
+}