DevTools: Changes Drawer

third_party/WebKit/Source/devtools/front_end/diff/Diff.js

 // Copyright 2015 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.
 Diff.Diff = {
   /**
    * @param {string} text1
    * @param {string} text2
+   * @param {boolean=} cleanup
    * @return {!Array.<!{0: number, 1: string}>}
    */
-  charDiff: function(text1, text2) {
+  charDiff: function(text1, text2, cleanup) {
     var differ = new diff_match_patch();
-    return differ.diff_main(text1, text2);
+    var diff = differ.diff_main(text1, text2);
+    if (cleanup)
+      differ.diff_cleanupSemantic(diff);
+    return diff;
   },
 
   /**
    * @param {!Array.<string>} lines1
    * @param {!Array.<string>} lines2
    * @return {!Diff.Diff.DiffArray}
    */
   lineDiff: function(lines1, lines2) {
     /** @type {!Common.CharacterIdMap<string>} */
     var idMap = new Common.CharacterIdMap();
@@ skipping 56 matching lines @@
 /** @enum {number} */
 Diff.Diff.Operation = {
   Equal: 0,
   Insert: 1,
   Delete: -1,
   Edit: 2
 };
 
 /** @typedef {!Array<!{0: !Diff.Diff.Operation, 1: !Array<string>}>} */
 Diff.Diff.DiffArray;