Issue 5175 - Reject element hiding filter with empty domain names

compiled/filter/ElemHideBase.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 41 matching lines @@
     return DependentString(text, mSelectorStart);
   }
 };
 
 class ElemHideBase : public ActiveFilter
 {
 protected:
   ElemHideData mData;
 public:
   static constexpr Type classType = Type::ELEMHIDEBASE;
-  explicit ElemHideBase(Type type, const String& text, const ElemHideData& data);
-  static Type Parse(DependentString& text, ElemHideData& data);
+  explicit ElemHideBase(Type type, const String& text, const ElemHideData& data,
+    const ParsedDomains& parsedDomains);
+  static Type Parse(DependentString& text, DependentString& error,
+    ElemHideData& data, ParsedDomains& parsedDomains);
 
   const DependentString BINDINGS_EXPORTED GetSelector() const
   {
     return mData.GetSelector(mText);
   }
 
   OwnedString BINDINGS_EXPORTED GetSelectorDomain() const;
 };
 
 typedef intrusive_ptr<ElemHideBase> ElemHideBasePtr;