Context Menu "Open image" doesn't make sense in a Image URL Tab

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.os.Build;
 import android.text.TextUtils;
 import android.view.ContextMenu;
@@ skipping 57 matching lines @@
         } else if (params.isImage()) {
             menu.findItem(R.id.contextmenu_save_image).setEnabled(
                     UrlUtilities.isDownloadableScheme(params.getSrcUrl()));
 
             if (mDelegate.canLoadOriginalImage()) {
                 menu.findItem(R.id.contextmenu_open_image_in_new_tab).setVisible(false);
             } else {
                 menu.findItem(R.id.contextmenu_open_original_image_in_new_tab).setVisible(false);
             }
 
+            // Avoid showing open image option for same image which is already opened.
+            if (mDelegate.getPageUrl().equals(params.getSrcUrl())) {
+                menu.findItem(R.id.contextmenu_open_image).setVisible(false);
+            }
             final TemplateUrlService templateUrlServiceInstance = TemplateUrlService.getInstance();
             final boolean isSearchByImageAvailable =
                     UrlUtilities.isDownloadableScheme(params.getSrcUrl()) &&
                             templateUrlServiceInstance.isLoaded() &&
                             templateUrlServiceInstance.isSearchByImageAvailable() &&
                             templateUrlServiceInstance.getDefaultSearchEngineTemplateUrl() != null;
 
             menu.findItem(R.id.contextmenu_search_by_image).setVisible(isSearchByImageAvailable);
             if (isSearchByImageAvailable) {
                 menu.findItem(R.id.contextmenu_search_by_image).setTitle(
@@ skipping 31 matching lines @@
             mDelegate.onSearchByImageInNewTab();
         } else if (itemId == R.id.contextmenu_copy_image) {
             mDelegate.onSaveImageToClipboard(params.getSrcUrl());
         } else {
             assert false;
         }
 
         return true;
     }
 }