Support setting mouse cursor icon in Android N.

content/shell/android/javatests/src/org/chromium/content_shell_apk/ContentShellTestBase.java

 // Copyright 2012 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.content_shell_apk;
 
 import android.app.Instrumentation;
 import android.content.Intent;
 
 import org.chromium.base.test.BaseActivityInstrumentationTestCase;
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     /**
      * Starts the content shell activity with the provided test url.
      * The url is synchronously loaded.
      * @param url Test url to load.
      */
     public void startActivityWithTestUrl(String url) {
         mDelegate.launchContentShellWithUrlSync(url);
     }
 
     /**
+     * @param callback it will be called when mouse cursor is updated
+     */
+    public void setCursorUpdateCallback(Runnable callback) {
+        mDelegate.setCursorUpdateCallback(callback);
+    }
+
+    /**
      * Returns the current ContentViewCore or null if there is no ContentView.
      */
     public ContentViewCore getContentViewCore() {
         return mDelegate.getContentViewCore();
     }
 
     /**
      * Returns the WebContents of this Shell.
      */
     public WebContents getWebContents() {
@@ skipping 118 matching lines @@
     @Override
     public void waitForActiveShellToBeDoneLoadingForTestCommon() {
         waitForActiveShellToBeDoneLoading();
     }
 
     @Override
     public ContentShellActivity launchContentShellWithUrlForTestCommon(String url) {
         return launchContentShellWithUrl(url);
     }
 }