Remove redundant separator at end of the spelling correction context menu

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 835 matching lines @@
 
   if (content_type_->SupportsGroup(
           ContextMenuContentType::ITEM_GROUP_DEVTOOLS_UNPACKED_EXT)) {
     AppendDevtoolsForUnpackedExtensions();
   }
 
   if (content_type_->SupportsGroup(
           ContextMenuContentType::ITEM_GROUP_PRINT_PREVIEW)) {
     AppendPrintPreviewItems();
   }
+
+  // Remove any redundant spearators.
+  if (menu_model_.GetCommandIdAt(menu_model_.GetItemCount() - 1) == -1)
+    menu_model_.RemoveItemAt(menu_model_.GetItemCount() - 1);
 }
 
 Profile* RenderViewContextMenu::GetProfile() {
   return Profile::FromBrowserContext(browser_context_);
 }
 
 void RenderViewContextMenu::RecordUsedItem(int id) {
   int enum_id = FindUMAEnumValueForCommand(id, GENERAL_ENUM_ID);
   if (enum_id != -1) {
     const size_t kMappingSize = arraysize(kUmaEnumToControlId);
@@ skipping 1639 matching lines @@
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }
 
 Browser* RenderViewContextMenu::GetBrowser() const {
   return chrome::FindBrowserWithWebContents(embedder_web_contents_);
 }