| Index: third_party/WebKit/Source/devtools/front_end/components/DebuggerPresentationUtils.js | 
| diff --git a/third_party/WebKit/Source/devtools/front_end/components/DebuggerPresentationUtils.js b/third_party/WebKit/Source/devtools/front_end/components/DebuggerPresentationUtils.js | 
| index b40b21f3a08c5847eda797119631b9978e108cad..83700e8a7a001a902c32c87e21c61f8876ce1d9a 100644 | 
| --- a/third_party/WebKit/Source/devtools/front_end/components/DebuggerPresentationUtils.js | 
| +++ b/third_party/WebKit/Source/devtools/front_end/components/DebuggerPresentationUtils.js | 
| @@ -22,13 +22,13 @@ WebInspector.DebuggerPresentationUtils.callFrameAnchorFromStackTrace = function( | 
| return null; | 
| if (showBlackboxed) | 
| return callFrames[0]; | 
| -        for (var i = 0; i < callFrames.length; ++i) { | 
| -            var script = debuggerModel && debuggerModel.scriptForId(callFrames[i].scriptId); | 
| -            var blackboxed = script ? | 
| -                WebInspector.BlackboxSupport.isBlackboxed(script.sourceURL, script.isContentScript()) : | 
| -                WebInspector.BlackboxSupport.isBlackboxedURL(callFrames[i].url); | 
| +        for (var callFrame of callFrames) { | 
| +            var location = debuggerModel && debuggerModel.createRawLocationByScriptId(callFrame.scriptId, callFrame.lineNumber, callFrame.columnNumber); | 
| +            var blackboxed = location ? | 
| +                WebInspector.blackboxManager.isBlackboxedRawLocation(location) : | 
| +                WebInspector.blackboxManager.isBlackboxedURL(callFrame.url); | 
| if (!blackboxed) | 
| -                return callFrames[i]; | 
| +                return callFrame; | 
| } | 
| return null; | 
| } | 
|  |