DevTools: Do not do deep search in case of bottom-up profile tree.

third_party/WebKit/Source/devtools/front_end/timeline/TimelineTreeView.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.
 
 /**
  * @unrestricted
  * @implements {UI.Searchable}
  */
 Timeline.TimelineTreeView = class extends UI.VBox {
   constructor() {
@@ skipping 365 matching lines @@
    * @override
    * @param {!UI.SearchableView.SearchConfig} searchConfig
    * @param {boolean} shouldJump
    * @param {boolean=} jumpBackwards
    */
   performSearch(searchConfig, shouldJump, jumpBackwards) {
     this._searchResults = [];
     this._currentResult = 0;
     if (!this._root)
       return;
-    this.populateSearchResults(createPlainTextSearchRegex(searchConfig.query, 'i'));
+    var searchRegex = createPlainTextSearchRegex(searchConfig.query, 'i');
+    this._searchResults =
+        this._root.searchTree(event => Timeline.TimelineUIUtils.testContentMatching(event, searchRegex));
+    this._searchableView.updateSearchMatchesCount(this._searchResults.length);
   }
 
   /**
-   * @protected
-   * @param {!RegExp} searchRegex
-   */
-  populateSearchResults(searchRegex) {
-    var searchResults = [];
-    searchTree(this._root);
-    this._searchableView.updateSearchMatchesCount(searchResults.length);
-    this._searchResults = searchResults;
-
-    function searchTree(node) {
-      if (node.event && Timeline.TimelineUIUtils.testContentMatching(node.event, searchRegex))
-        searchResults.push(node);
-      for (var child of node.children().values())
-        searchTree(child);
-    }
-  }
-
-  /**
    * @override
    */
   jumpToNextSearchResult() {
     if (!this._searchResults.length)
       return;
     this.selectProfileNode(this._searchResults[this._currentResult], false);
     this._currentResult = mod(this._currentResult + 1, this._searchResults.length);
   }
 
   /**
@@ skipping 537 matching lines @@
 
   _onSelectionChanged() {
     this.dispatchEventToListeners(Timeline.TimelineStackView.Events.SelectionChanged);
   }
 };
 
 /** @enum {symbol} */
 Timeline.TimelineStackView.Events = {
   SelectionChanged: Symbol('SelectionChanged')
 };