Support setting mouse cursor icon in Android N.

chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java
index cfe5b35882ab5f677a2c4313def42f611320cd2d..f0e640177803ab810d8027148805a4891a48f3b1 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/emptybackground/EmptyBackgroundViewWrapper.java
@@ -5,6 +5,8 @@
 package org.chromium.chrome.browser.widget.emptybackground;
 
 import android.app.Activity;
+import android.os.Build;
+import android.view.PointerIcon;
 import android.view.View;
 import android.view.View.OnAttachStateChangeListener;
 import android.view.ViewStub;
@@ -137,6 +139,12 @@ public class EmptyBackgroundViewWrapper {
             public void onViewAttachedToWindow(View v) {
             }
         });
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            PointerIcon icon =
+                    PointerIcon.getSystemIcon(mBackgroundView.getContext(), PointerIcon.TYPE_ARROW);
+            mBackgroundView.setPointerIcon(icon);
+        }
     }
 
     private void updateEmptyContainerState() {