Support setting mouse cursor icon in Android N.

chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarLayout.java

 // Copyright 2013 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.infobar;
 
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
@@ skipping 225 matching lines @@
         assert !TextUtils.isEmpty(primaryText);
         Button primaryButton = DualControlLayout.createButtonForLayout(
                 getContext(), true, primaryText, this);
 
         assert mButtonRowLayout == null;
         mButtonRowLayout = new DualControlLayout(getContext(), null);
         mButtonRowLayout.setAlignment(alignment);
         mButtonRowLayout.setStackedMargin(getResources().getDimensionPixelSize(
                 R.dimen.infobar_margin_between_stacked_buttons));
 
-        mButtonRowLayout.addView(primaryButton);

[mdjones, 2017/07/20 21:49:06]

Is this view added somewhere else? If not, removing this will break infobars.

[jaebaek, 2017/07/21 10:03:05]

Ah .. it's my mistake.

         if (secondaryView != null) mButtonRowLayout.addView(secondaryView);
     }
 
     /**
      * Adjusts styling to account for the big icon layout.
      */
     public void setIsUsingBigIcon() {
         if (mIconView == null) return;
 
         LayoutParams lp = (LayoutParams) mIconView.getLayoutParams();
@@ skipping 289 matching lines @@
         ImageButton closeButton = new ImageButton(context);
         closeButton.setId(R.id.infobar_close_button);
         closeButton.setImageResource(R.drawable.btn_close);
         closeButton.setBackground(closeButtonBackground);
         closeButton.setContentDescription(context.getString(R.string.infobar_close));
         closeButton.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
 
         return closeButton;
     }
 }