Remove V8RecrusionScope, cleanup call sites.

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

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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.
@@ skipping 451 matching lines @@
         var uiLocation = WebInspector.debuggerWorkspaceBinding.rawLocationToUILocation(rawLocation);
         return uiLocation.linkText();
     }
 
     /**
      * @return {?string}
      */
     function linkifyTopCallFrameAsText()
     {
         var frame = WebInspector.TimelineUIUtils.topStackFrame(event);
-        return frame ? linkifyLocationAsText(frame.scriptId, frame.lineNumber, frame.columnNumber) : null;
+        var text = frame ? linkifyLocationAsText(frame.scriptId, frame.lineNumber, frame.columnNumber) : null;
+        if (frame && !text) {
+            text = frame.url;
+            if (typeof frame.lineNumber === "number")
+                text += ":" + (frame.lineNumber + 1);
+        }
+        return text;
     }
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
  * @param {?WebInspector.Target} target
  * @param {!WebInspector.Linkifier} linkifier
  * @return {?Node}
  */
 WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent = function(event, target, linkifier)
@@ skipping 1611 matching lines @@
     case warnings.V8Deopt:
         span.appendChild(WebInspector.linkifyURLAsNode("https://github.com/GoogleChrome/devtools-docs/issues/53",
             WebInspector.UIString("Not optimized"), undefined, true));
         span.createTextChild(WebInspector.UIString(": %s", eventData["deoptReason"]));
         break;
     default:
         console.assert(false, "Unhandled TimelineModel.WarningType");
     }
     return span;
 }