Implement icon attribute for menuitem

Source/bindings/core/v8/custom/V8DevToolsHostCustom.cpp

 /*
  * Copyright (C) 2007-2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 55 matching lines @@
         v8::Local<v8::Value> label = item->Get(v8AtomicString(isolate, "label"));
         v8::Local<v8::Value> enabled = item->Get(v8AtomicString(isolate, "enabled"));
         v8::Local<v8::Value> checked = item->Get(v8AtomicString(isolate, "checked"));
         v8::Local<v8::Value> subItems = item->Get(v8AtomicString(isolate, "subItems"));
         if (!type->IsString())
             continue;
         String typeString = toCoreStringWithNullCheck(type.As<v8::String>());
         if (typeString == "separator") {
             ContextMenuItem item(ContextMenuItem(SeparatorType,
                 ContextMenuItemCustomTagNoAction,
+                String(),
                 String()));
             menu.appendItem(item);
         } else if (typeString == "subMenu" && subItems->IsArray()) {
             ContextMenu subMenu;
             v8::Local<v8::Array> subItemsArray = v8::Local<v8::Array>::Cast(subItems);
             if (!populateContextMenuItems(subItemsArray, subMenu, isolate))
                 return false;
             TOSTRING_DEFAULT(V8StringResource<TreatNullAsNullString>, labelString, label, false);
             ContextMenuItem item(SubmenuType,
                 ContextMenuItemCustomTagNoAction,
                 labelString,
+                String(),
                 &subMenu);
             menu.appendItem(item);
         } else {
             ContextMenuAction typedId = static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + id->ToInt32(isolate)->Value());
             TOSTRING_DEFAULT(V8StringResource<TreatNullAsNullString>, labelString, label, false);
-            ContextMenuItem menuItem((typeString == "checkbox" ? CheckableActionType : ActionType), typedId, labelString);
+            ContextMenuItem menuItem((typeString == "checkbox" ? CheckableActionType : ActionType), typedId, labelString, String());
             if (checked->IsBoolean())
                 menuItem.setChecked(checked->ToBoolean(isolate)->Value());
             if (enabled->IsBoolean())
                 menuItem.setEnabled(enabled->ToBoolean(isolate)->Value());
             menu.appendItem(menuItem);
         }
     }
     return true;
 }
 
@@ skipping 57 matching lines @@
     if (!document || !document->page())
         return;
 
     DevToolsHost* devtoolsHost = V8DevToolsHost::toImpl(info.Holder());
     Vector<ContextMenuItem> items = menu.items();
     devtoolsHost->showContextMenu(document->page(), static_cast<float>(x->NumberValue()), static_cast<float>(y->NumberValue()), items);
 }
 
 } // namespace blink