| Index: third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js | 
| diff --git a/third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js b/third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js | 
| index 23ddc267dc0ee6b31e672d6672fd22cbd3c41669..588a449d524aad19d4ded5ccb95d1cb59a2212ce 100644 | 
| --- a/third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js | 
| +++ b/third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js | 
| @@ -425,10 +425,13 @@ WebInspector.CallStackSidebarPane.CallFrame = function(callFrame, asyncCallFrame | 
|  | 
| WebInspector.CallStackSidebarPane.CallFrame.prototype = { | 
| /** | 
| -     * @param {!WebInspector.UILocation} uiLocation | 
| +     * @param {!WebInspector.LiveLocation} liveLocation | 
| */ | 
| -    _update: function(uiLocation) | 
| +    _update: function(liveLocation) | 
| { | 
| +        var uiLocation = liveLocation.uiLocation(); | 
| +        if (!uiLocation) | 
| +            return; | 
| var text = uiLocation.linkText(); | 
| this.setSubtitle(text.trimMiddle(30)); | 
| this.subtitleElement.title = text; | 
|  |