Devtools: Pretty print fix for CSS coverage decorations.

third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js

 /*
  * Copyright (C) 2011 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 429 matching lines @@
     this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
   }
 
   _innerResetWorkingCopy() {
     delete this._workingCopy;
     delete this._workingCopyGetter;
   }
 
   /**
    * @param {string} newWorkingCopy
+   * @param {!Workspace.UISourceCode.SourceMapping=} sourceMapping
    */
-  setWorkingCopy(newWorkingCopy) {
+  setWorkingCopy(newWorkingCopy, sourceMapping) {
     this._workingCopy = newWorkingCopy;
     delete this._workingCopyGetter;
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
+    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged, {sourceMapping: sourceMapping});
     this._project.workspace().dispatchEventToListeners(
         Workspace.Workspace.Events.WorkingCopyChanged, {uiSourceCode: this});
   }
 
   setWorkingCopyGetter(workingCopyGetter) {
     this._workingCopyGetter = workingCopyGetter;
     this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
     this._project.workspace().dispatchEventToListeners(
         Workspace.Workspace.Events.WorkingCopyChanged, {uiSourceCode: this});
   }
@@ skipping 477 matching lines @@
 Workspace.UISourceCodeMetadata = class {
   /**
    * @param {?Date} modificationTime
    * @param {?number} contentSize
    */
   constructor(modificationTime, contentSize) {
     this.modificationTime = modificationTime;
     this.contentSize = contentSize;
   }
 };
+
+/**
+ * @interface
+ */
+Workspace.UISourceCode.SourceMapping = function() {};
+
+Workspace.UISourceCode.SourceMapping.prototype = {
+  /**
+   * @param {number} lineNumber
+   * @param {number=} columnNumber
+   * @return {!Array.<number>}
+   */
+  originalToFormatted: function(lineNumber, columnNumber) {},
+
+  /**
+   * @param {number} lineNumber
+   * @param {number=} columnNumber
+   * @return {!Array.<number>}
+   */
+  formattedToOriginal: function(lineNumber, columnNumber) {}
+};