DevTools: extract modules (with extensions)

third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @unrestricted
  */
-Sources.CSSSourceFrame = class extends Sources.UISourceCodeFrame {
+Sources.CSSSourceFrame = class extends SourceFrame.UISourceCodeFrame {
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    */
   constructor(uiSourceCode) {
     super(uiSourceCode);
     this._registerShortcuts();
     this._swatchPopoverHelper = new UI.SwatchPopoverHelper();
     this._muteSwatchProcessing = false;
     this.configureAutocomplete(
         {suggestionsCallback: this._cssSuggestions.bind(this), isWordChar: this._isWordChar.bind(this)});
@@ skipping 315 matching lines @@
       tokenPosition = token.startColumn - 1;
     }
     return null;
   }
 };
 
 /** @type {number} */
 Sources.CSSSourceFrame.maxSwatchProcessingLength = 300;
 /** @type {symbol} */
 Sources.CSSSourceFrame.SwatchBookmark = Symbol('swatch');