Issue 5870 - Implement the new ElemHideEmulation filter type

compiled/filter/Filter.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 28 matching lines @@
     REGEXP = ACTIVE | 8,
     BLOCKING = REGEXP | 16,
     WHITELIST = REGEXP | 32,
     ELEMHIDEBASE = ACTIVE | 64,
     ELEMHIDE = ELEMHIDEBASE | 128,
     ELEMHIDEEXCEPTION = ELEMHIDEBASE | 256,
     ELEMHIDEEMULATION = ELEMHIDEBASE | 512
   };
 
   explicit Filter(Type type, const String& text);
+  explicit Filter(Type type, String&& text);
   ~Filter();
 
   Type mType;
 
   const String& BINDINGS_EXPORTED GetText() const
   {
     return mText;
   }
 
   OwnedString BINDINGS_EXPORTED Serialize() const;
@@ skipping 13 matching lines @@
   const T* As() const
   {
     if ((mType & T::classType) != T::classType)
       return nullptr;
 
     return static_cast<const T*>(this);
   }
 };
 
 typedef intrusive_ptr<Filter> FilterPtr;