Support setting mouse cursor icon in Android N.

chrome/android/java/src/org/chromium/chrome/browser/snackbar/SnackbarView.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.snackbar;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.app.Activity;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.GradientDrawable;
+import android.os.Build;
 import android.support.annotation.Nullable;
 import android.view.Gravity;
 import android.view.LayoutInflater;
+import android.view.PointerIcon;
 import android.view.SurfaceView;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnLayoutChangeListener;
 import android.view.ViewGroup;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.TextView;
 
@@ skipping 58 matching lines @@
         mParent = mOriginalParent;
         mView = (ViewGroup) LayoutInflater.from(activity).inflate(
                 R.layout.snackbar, mParent, false);
         mAnimationDuration = mView.getResources()
                 .getInteger(android.R.integer.config_mediumAnimTime);
         mMessageView = (TemplatePreservingTextView) mView.findViewById(R.id.snackbar_message);
         mActionButtonView = (TextView) mView.findViewById(R.id.snackbar_button);
         mActionButtonView.setOnClickListener(listener);
         mProfileImageView = (ImageView) mView.findViewById(R.id.snackbar_profile_image);
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            PointerIcon icon =
+                    PointerIcon.getSystemIcon(mView.getContext(), PointerIcon.TYPE_ARROW);
+            mView.setPointerIcon(icon);
+        }
+
         updateInternal(snackbar, false);
     }
 
     void show() {
         addToParent();
         mView.addOnLayoutChangeListener(new OnLayoutChangeListener() {
             @Override
             public void onLayoutChange(View v, int left, int top, int right, int bottom,
                     int oldLeft, int oldTop, int oldRight, int oldBottom) {
                 mView.removeOnLayoutChangeListener(this);
@@ skipping 174 matching lines @@
         view.animate().cancel();
         if (animate) {
             view.setAlpha(0.0f);
             view.setText(text);
             view.animate().alpha(1.f).setDuration(mAnimationDuration).setListener(null);
         } else {
             view.setText(text);
         }
     }
 }