Add ContextMenu support upstream for Android

chrome/browser/ui/webui/ntp/android/context_menu_handler.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/webui/ntp/android/context_menu_handler.h"
 
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
-#include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/android/context_menu_helper.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/page_transition_types.h"
 
 ContextMenuHandler::ContextMenuHandler()
     : weak_ptr_factory_(this) {
 }
 
@@ skipping 74 matching lines @@
       Value* value = NULL;
       item_list_value->Get(1, &value);
       LOG(ERROR) << "Invalid context menu request:  menu item " << i <<
           " expected string value for second parameter (got " <<
           value->GetType() << ").";
       return;
     }
     menu.custom_items.push_back(menu_item);
   }
 
-  TabAndroid* tab = TabAndroid::FromWebContents(web_ui()->GetWebContents());
-  if (tab) {
-    tab->ShowCustomContextMenu(
+  ContextMenuHelper* context_menu_helper =
+      ContextMenuHelper::FromWebContents(web_ui()->GetWebContents());
+  if (context_menu_helper) {
+    context_menu_helper->ShowCustomContextMenu(
         menu,
         base::Bind(&ContextMenuHandler::OnItemSelected,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 }
 
 void ContextMenuHandler::HandleOpenInNewTab(const ListValue* args) {
   OpenUrl(args, NEW_FOREGROUND_TAB);
 }
 
 void ContextMenuHandler::HandleOpenInIncognitoTab(const ListValue* args) {
   OpenUrl(args, OFF_THE_RECORD);
 }
 
 void ContextMenuHandler::OpenUrl(const ListValue* args,
                                  WindowOpenDisposition disposition) {
   string16 url = ExtractStringValue(args);
   if (!url.empty()) {
     web_ui()->GetWebContents()->OpenURL(content::OpenURLParams(
         GURL(url), content::Referrer(), disposition,
         content::PAGE_TRANSITION_AUTO_BOOKMARK, false));
   }
 }