DevTools: extract modules (with extensions)

third_party/WebKit/Source/devtools/front_end/css_tracker/CSSTrackerView.js

 // Copyright (c) 2016 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.
 
 CSSTracker.CSSTrackerView = class extends UI.VBox {
   constructor() {
     super(true);
 
     this.registerRequiredCSS('css_tracker/cssTrackerView.css');
 
@@ skipping 364 matching lines @@
    */
   _showMoreRulesElementSelected(startMatchIndex) {
     if (!this._showAllRulesTreeElement)
       return;
     this.removeChild(this._showAllRulesTreeElement);
     this._appendRules(startMatchIndex, this._unusedRules.length);
   }
 };
 
 /**
- * @implements {Sources.UISourceCodeFrame.LineDecorator}
+ * @implements {SourceFrame.UISourceCodeFrame.LineDecorator}
  */
 CSSTracker.CSSTrackerView.LineDecorator = class {
   /**
    * @override
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {!TextEditor.CodeMirrorTextEditor} textEditor
    */
   decorate(uiSourceCode, textEditor) {
     var gutterType = 'CodeMirror-gutter-coverage';
 
@@ skipping 12 matching lines @@
         else
           element.className = 'text-editor-css-rule-unused-marker';
 
         textEditor.setGutterDecoration(line, gutterType, element);
       }
     }
   }
 };
 
 CSSTracker.CSSTrackerView.LineDecorator.type = 'coverage';