DevTools: untruncate links on copy

third_party/WebKit/Source/devtools/front_end/components/DOMPresentationUtils.js

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 574 matching lines @@
     if (areNodesSimilar(node, siblings[i])) {
       if (siblings[i] === node)
         return ownIndex;
       ++ownIndex;
     }
   }
   return -1;  // An error occurred: |node| not found in parent's children.
 };
 
 /**
+ * @param {string} truncatedText
+ * @param {string} originalText
+ * @return {!Text}
+ */
+Components.DOMPresentationUtils.createTruncatedTextNode = function(truncatedText, originalText) {
+  var node = createTextNode(truncatedText);
+  node[Components.DOMPresentationUtils._untruncatedTextSymbol] = originalText;

[dgozman, 2017/04/05 15:45:13]

This is only used for Console, let's put it there. I doubt we'll support copying
text similar to how we do in Console in any other place. Also, this could retain
potentially long strings for no reason.

[luoe, 2017/04/06 02:10:24]

I've returned to the approach in patch set 3 where only console makes use of
originalLinkText.

+  return node;
+};
+
+/**
+ * @param {!Node} node
+ * @return {string}
+ */
+Components.DOMPresentationUtils.originalNodeText = function(node) {
+  if (typeof node[Components.DOMPresentationUtils._untruncatedTextSymbol] === 'string')
+    return node[Components.DOMPresentationUtils._untruncatedTextSymbol];
+  return node.textContent;
+};
+
+/**
  * @unrestricted
  */
 Components.DOMNodePathStep = class {
   /**
    * @param {string} value
    * @param {boolean} optimized
    */
   constructor(value, optimized) {
     this.value = value;
     this.optimized = optimized || false;
@@ skipping 36 matching lines @@
 
   /**
    * @override
    * @param {!SDK.DOMNode} node
    * @return {?{title: string, color: string}}
    */
   decorate(node) {
     return {title: this._title, color: this._color};
   }
 };
+
+/**
+ * @type {symbol}
+ * @const
+ */
+Components.DOMPresentationUtils._untruncatedTextSymbol = Symbol('UntruncatedTextSymbol');