Fully deprecate core.js. Moved last method to error.js.

ios/chrome/browser/ui/contextual_search/resources/contextualsearch.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Support code for the Contextual Search feature. Given a tap
  * location, locates and highlights the word at that location, and retuns
  * some contextual data about the selection.
  *
  */
@@ skipping 768 matching lines @@
 
 /**
  * Checks whether the context in a given point is valid. A context will be
  * valid when the element at the given point is not interactive or editable.
  * @param {number} x The point's x coordinate.
  * @param {number} y The point's y coordinate.
  * @return {ContextData} Context data from the point, an error set if invalid.
  * @private
  */
 Context.contextFromPoint = function(x, y) {
-  // Should this use core.js's elementFromPoint_() instead?
+  // TODO(crbug.com/711350): Evaluate whether this should use context_menu.js's
+  // elementFromPoint_() instead?
   var contextData = new ContextData();
   var element = document.elementFromPoint(x, y);
   if (!element) {
     contextData.error = "Failed: Couldn't locate an element at " + x + ', ' + y;
     return contextData;
   }
 
   var d = new Date();
   var lastDOM = d.getTime() - Context.lastDOMMutationMillisecond;
   if (lastDOM <= Context.DOMMutationTimeoutMillisecond) {
@@ skipping 532 matching lines @@
     var bottom = rects[i].bottom + document.body.scrollTop;
     var left = rects[i].left + document.body.scrollLeft;
     var right = rects[i].right + document.body.scrollLeft;
     rectsArray[i] = '' + top + ' ' + bottom + ' ' + left + ' ' + right;
   }
   return rectsArray.join(',');
 };
 
 /* Anyonymizing block end */
 }