Android: Remove more browser extensions code, including some that snuck back in.

components/renderer_context_menu/render_view_context_menu_base.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 "components/renderer_context_menu/render_view_context_menu_base.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/menu_item.h"
-#include "extensions/browser/extension_host.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/browser/view_type_utils.h"
-#include "extensions/common/extension.h"
 #include "third_party/WebKit/public/web/WebContextMenuData.h"
 
 using blink::WebContextMenuData;
 using blink::WebString;
 using blink::WebURL;
 using content::BrowserContext;
 using content::OpenURLParams;
 using content::RenderFrameHost;
 using content::RenderViewHost;
 using content::WebContents;
@@ skipping 352 matching lines @@
 }
 
 bool RenderViewContextMenuBase::IsCustomItemChecked(int id) const {
   return IsCustomItemCheckedInternal(params_.custom_items, id);
 }
 
 bool RenderViewContextMenuBase::IsCustomItemEnabled(int id) const {
   return IsCustomItemEnabledInternal(params_.custom_items, id);
 }