Remove Open in new window/tab/incognito in ContextMenu for empty URL

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ChromeContextMenuPopulator.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.contextmenu;
 
 import android.content.Context;
 import android.net.MailTo;
 import android.support.annotation.IntDef;
 import android.support.annotation.StringRes;
@@ skipping 371 matching lines @@
         if (params.getLinkText().trim().isEmpty() || params.isImage()) {
             disabledOptions.add(ContextMenuItem.COPY_LINK_TEXT);
         }
 
         if (params.isAnchor() && !UrlUtilities.isAcceptedScheme(params.getLinkUrl())) {
             disabledOptions.add(ContextMenuItem.OPEN_IN_OTHER_WINDOW);
             disabledOptions.add(ContextMenuItem.OPEN_IN_NEW_TAB);
             disabledOptions.add(ContextMenuItem.OPEN_IN_INCOGNITO_TAB);
         }
 
+        if (TextUtils.isEmpty(params.getLinkUrl())
+                || params.getLinkUrl().equals(UrlConstants.ABOUT_BLANK_DISPLAY_URL)) {
+            disabledOptions.add(ContextMenuItem.OPEN_IN_OTHER_WINDOW);
+            disabledOptions.add(ContextMenuItem.OPEN_IN_NEW_TAB);
+            disabledOptions.add(ContextMenuItem.OPEN_IN_INCOGNITO_TAB);
+        }
+
         if (MailTo.isMailTo(params.getLinkUrl())) {
             disabledOptions.add(ContextMenuItem.COPY_LINK_TEXT);
             disabledOptions.add(ContextMenuItem.COPY_LINK_ADDRESS);
             if (!mDelegate.supportsSendEmailMessage()) {
                 disabledOptions.add(ContextMenuItem.SEND_MESSAGE);
             }
             if (TextUtils.isEmpty(MailTo.parse(params.getLinkUrl()).getTo())
                     || !mDelegate.supportsAddToContacts()) {
                 disabledOptions.add(ContextMenuItem.ADD_TO_CONTACTS);
             }
@@ skipping 182 matching lines @@
      * @param params The parameters used to decide the type of the content.
      */
     private String getUrl(ContextMenuParams params) {
         if (params.isImage() || params.isVideo()) {
             return params.getSrcUrl();
         } else {
             return params.getLinkUrl();
         }
     }
 }