Update NTP to new material design spec.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.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.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Canvas;
-import android.graphics.Color;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Build;
 import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem.OnMenuItemClickListener;
 import android.view.View;
 
 import org.chromium.base.ApiCompatibilityUtils;
@@ skipping 550 matching lines @@
      */
     public NewTabPage(Activity activity, Tab tab, TabModelSelector tabModelSelector) {
         mConstructedTimeNs = System.nanoTime();
 
         mTab = tab;
         mActivity = activity;
         mTabModelSelector = tabModelSelector;
         mProfile = tab.getProfile();
 
         mTitle = activity.getResources().getString(R.string.button_new_tab);
-        mBackgroundColor = ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_SNIPPETS)
-                ? ApiCompatibilityUtils.getColor(activity.getResources(), R.color.ntp_with_cards_bg)
-                : ApiCompatibilityUtils.getColor(activity.getResources(), R.color.ntp_bg);
+        mBackgroundColor = NtpColorUtils.getBackgroundColorResource(activity.getResources());
         mThemeColor = ApiCompatibilityUtils.getColor(
                 activity.getResources(), R.color.default_primary_color);
         TemplateUrlService.getInstance().addObserver(this);
 
         mTabObserver = new EmptyTabObserver() {
             @Override
             public void onShown(Tab tab) {
                 // Showing the NTP is only meaningful when the page has been loaded already.
                 if (mIsLoaded) recordNTPShown();
                 mIsVisible = true;
@@ skipping 210 matching lines @@
         return mTitle;
     }
 
     @Override
     public int getBackgroundColor() {
         return mBackgroundColor;
     }
 
     @Override
     public int getThemeColor() {
-        return isLocationBarShownInNTP() ? Color.WHITE : mThemeColor;
+        return isLocationBarShownInNTP()
+                ? NtpColorUtils.getBackgroundColorResource(mActivity.getResources())
+                : mThemeColor;
     }
 
     @Override
     public View getView() {
         return mNewTabPageView;
     }
 
     @Override
     public String getHost() {
         return UrlConstants.NTP_HOST;
     }
 
     @Override
     public void updateForUrl(String url) {
     }
 
     // InvalidationAwareThumbnailProvider
 
     @Override
     public boolean shouldCaptureThumbnail() {
         return mNewTabPageView.shouldCaptureThumbnail();
     }
 
     @Override
     public void captureThumbnail(Canvas canvas) {
         mNewTabPageView.captureThumbnail(canvas);
     }
 }