Issue 6299 - Avoid main thread lock on URL loading

libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java

 /*
  * 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 994 matching lines @@
             }
           }
           finally
           {
             for (Subscription eachSubscription : subscriptions)
             {
               eachSubscription.dispose();
             }
           }
 
-          String domain = provider.getEngine().getFilterEngine().getHostFromURL(url);
+          final String domain = provider.getEngine().getFilterEngine().getHostFromURL(url);
           if (domain == null)

[anton, 2018/01/23 06:14:10]

Not sure if it can happen

           {
             e("Failed to extract domain from " + url);
             selectorsString = EMPTY_ELEMHIDE_ARRAY_STRING;
           }
           else
           {
             d("Requesting elemhide selectors from AdblockEngine for " + url + " in " + this);
             List<String> selectors = provider
               .getEngine()
               .getElementHidingSelectors(url, domain, referrers);
@@ skipping 405 matching lines @@
         w("Busy with elemhide selectors, delayed disposing scheduled");
         elemHideThread.setFinishedRunnable(disposeRunnable);
       }
       else
       {
         disposeRunnable.run();
       }
     }
   }
 }