Issue 6803 - Rename local observe function to observeShadow

lib/content/snippets.js

 /*
  * 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 185 matching lines @@
 
   // If there's no Element.attachShadow API present then we don't care, it must
   // be Firefox or an older version of Chrome.
   if (!originalAttachShadow)
     return;
 
   // Mutation observers mapped to their corresponding shadow roots and their
   // hosts.
   let shadows = new WeakMap();
 
-  function observe(mutations, observer)
+  function observeShadow(mutations, observer)
   {
     let {host, root} = shadows.get(observer) || {};
 
     // Since it's a weak map, it's possible that either the element or its
     // shadow has been removed.
     if (!host || !root)
       return;
 
     // If the shadow contains the given text, check if the host or one of its
     // ancestors matches the selector; if a matching element is found, hide
@@ skipping 15 matching lines @@
   }
 
   Object.defineProperty(Element.prototype, "attachShadow", {
     value(...args)
     {
       // Create the shadow root first. It doesn't matter if it's a closed
       // shadow root, we keep the reference in a weak map.
       let root = originalAttachShadow.apply(this, args);
 
       // Listen for relevant DOM mutations in the shadow.
-      let observer = new MutationObserver(observe);
+      let observer = new MutationObserver(observeShadow);
       observer.observe(root, {
         childList: true,
         characterData: true,
         subtree: true
       });
 
       // Keep references to the shadow root and its host in a weak map. If
       // either the shadow is detached or the host itself is removed from the
       // DOM, the mutation observer too will be freed eventually and the entry
       // will be removed.
@@ skipping 30 matching lines @@
           // We don't have the location of the element in its former parent,
           // but it's usually OK to just add it at the end.
           mutation.target.appendChild(node);
         }
       }
     }
   });
 }
 
 exports.readd = readd;