DevTooos: Profiler domain refactoring: Make deoptReason and positionTicks fields optional.

third_party/WebKit/Source/devtools/front_end/profiler/ProfileDataGrid.js

 /*
  * Copyright (C) 2009 280 North 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 27 matching lines @@
 
     this.tree = owningTree;
     /** @type {!Map<string, !WebInspector.ProfileDataGridNode>} */
     this.childrenByCallUID = new Map();
     this.lastComparator = null;
 
     this.callUID = profileNode.callUID;
     this.self = profileNode.self;
     this.total = profileNode.total;
     this.functionName = WebInspector.beautifyFunctionName(profileNode.functionName);
-    this._deoptReason = profileNode.deoptReason && profileNode.deoptReason !== "no reason" ? profileNode.deoptReason : "";
+    this._deoptReason = profileNode.deoptReason || "";
     this.url = profileNode.url;
 }
 
 WebInspector.ProfileDataGridNode.prototype = {
     /**
      * @override
      * @param {string} columnId
      * @return {!Element}
      */
     createCell: function(columnId)
@@ skipping 588 matching lines @@
      * @return {string}
      */
     formatPercent: function(value, node) { },
 
     /**
      * @param  {!WebInspector.ProfileDataGridNode} node
      * @return {?Element}
      */
     linkifyNode: function(node) { }
 }