Snippets are enabled when search suggestions are enabled.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageLayout.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.content.Context;
 import android.content.res.Resources;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ChromeFeatureList;
 
 /**
  * Layout for the new tab page. This positions the page elements in the correct vertical positions.
  * There are no separate phone and tablet UIs; this layout adapts based on the available space.
  */
 public class NewTabPageLayout extends LinearLayout {
 
     // Space permitting, the spacers will grow from 0dp to the heights given below. If there is
     // additional space, it will be distributed evenly between the top and bottom spacers.
     private static final float TOP_SPACER_HEIGHT_DP = 44f;
@@ skipping 140 matching lines @@
         }
         top += ((MarginLayoutParams) mMostVisitedLayout.getLayoutParams()).topMargin;
         return top;
     }
 
     /**
      * Set the search box style. Modify the search box to enable material when snippets or
      * material design is enabled.
      */
     private void setSearchBoxStyle() {
-        if ((ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_SNIPPETS)
-                    || ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_MATERIAL_DESIGN))
+        if (NtpColorUtils.shouldUseMaterialColors()
                 && ApiCompatibilityUtils.setElevation(mSearchBoxView,
                            getResources().getDimensionPixelSize(R.dimen.toolbar_elevation))) {
             // Replace drawable with one that does not contain a border.
             mSearchBoxView.setBackgroundResource(R.drawable.bg_ntp_search_box_material);
         }
     }
 
     /**
      * Distribute extra vertical space between the three spacer views.
      * @param extraHeight The amount of extra space, in pixels.
@@ skipping 26 matching lines @@
 
     /**
      * Convenience method to call |measure| on the given View with MeasureSpecs converted from the
      * given dimensions (in pixels) with MeasureSpec.EXACTLY.
      */
     private void setMeasure(View view, int widthPx, int heightPx) {
         view.measure(MeasureSpec.makeMeasureSpec(widthPx, MeasureSpec.EXACTLY),
                 MeasureSpec.makeMeasureSpec(heightPx, MeasureSpec.EXACTLY));
     }
 }