Devtools: Pretty print fix for CSS coverage decorations.

third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js

 // Copyright 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.
 
 /** @typedef {!{range: !Protocol.CSS.SourceRange, styleSheetId: !Protocol.CSS.StyleSheetId, wasUsed: boolean}} */
 SDK.CSSModel.RuleUsage;
 
 /**
  * @implements {SDK.TargetManager.Observer}
  * @implements {SDK.TracingManagerClient}
@@ skipping 114 matching lines @@
      * @param {!Array<!SDK.CSSModel.RuleUsage>} ruleUsageList
      */
     function ruleListReceived(ruleUsageList) {
       for (var rule of ruleUsageList) {
         if (rule.wasUsed)
           continue;
 
         var styleSheetHeader = cssModel.styleSheetHeaderForId(rule.styleSheetId);
         var url = styleSheetHeader.sourceURL;
 
-        Components.CoverageProfile.instance().appendUnusedRule(url, rule.range);
+        Components.CoverageProfile.instance().appendUnusedRule(url, Common.TextRange.fromObject(rule.range));
       }
     }
 
     cssModel.ruleListPromise().then(ruleListReceived);
   }
 
   /**
    * @param {!SDK.Target} target
    * @return {!Promise}
    */
@@ skipping 158 matching lines @@
   }
 
   /**
    * @param {number} progress
    * @override
    */
   eventsRetrievalProgress(progress) {
     this._delegate.loadingProgress(progress);
   }
 };