Issue 6064 - Put C++ code into a configurable namespace

compiled/ElemHide.cpp

 /*
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "ElemHide.h"
 
+ABP_NS_USING
+
 OwnedString ElemHide_SelectorList::SelectorAt(size_t idx) const
 {
   return mSelectors[idx]->GetSelector();
 }
 
 const String& ElemHide_SelectorList::FilterKeyAt(size_t idx) const
 {
   return mSelectors[idx]->GetText();
 }
 
@@ skipping 205 matching lines @@
     if (currentDomain.empty())
       break;
 
     auto nextDot = currentDomain.find(u'.');
     currentDomain = nextDot == String::npos ?
       u""_str : DependentString(currentDomain, nextDot + 1);
   }
 
   return selectors.release();
 }