Add support for highlighting menu items

chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.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.toolbar;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
@@ skipping 616 matching lines @@
         updateLayoutParams();
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
     @Override
     public LocationBar getLocationBar() {
         return this;
     }
 
     @Override
+    public boolean useLightDrawables() {
+        return !mUseDarkColors;
+    }
+
+    @Override
     public boolean onLongClick(View v) {
         if (v == mCloseButton) {
             return showAccessibilityToast(v, getResources().getString(R.string.close_tab));
         } else if (v == mCustomActionButton) {
             return showAccessibilityToast(v, mCustomActionButton.getContentDescription());
         } else if (v == mTitleUrlContainer) {
             ClipboardManager clipboard = (ClipboardManager) getContext()
                     .getSystemService(Context.CLIPBOARD_SERVICE);
             Tab tab = getCurrentTab();
             if (tab == null) return false;
@@ skipping 82 matching lines @@
     public View getMenuButtonWrapper() {
         // This class has no menu button wrapper, so return the menu button instead.
         return mMenuButton;
     }
 
     @Override
     public boolean mustQueryUrlBarLocationForSuggestions() {
         return false;
     }
 }