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

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

 /*
  * Copyright (C) 2008 Apple 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 473 matching lines @@
         var totalTime = millisecondsToString(timelineData.entryTotalTimes[entryIndex]);
         pushEntryInfoRow(WebInspector.UIString("Self time"), selfTime);
         pushEntryInfoRow(WebInspector.UIString("Total time"), totalTime);
         var linkifier = new WebInspector.Linkifier();
         var link = linkifier.maybeLinkifyConsoleCallFrame(this._target, node.callFrame);
         if (link)
             pushEntryInfoRow(WebInspector.UIString("URL"), link.textContent);
         linkifier.dispose();
         pushEntryInfoRow(WebInspector.UIString("Aggregated self time"), Number.secondsToString(node.self / 1000, true));
         pushEntryInfoRow(WebInspector.UIString("Aggregated total time"), Number.secondsToString(node.total / 1000, true));
-        if (node.deoptReason && node.deoptReason !== "no reason")
+        if (node.deoptReason)
             pushEntryInfoRow(WebInspector.UIString("Not optimized"), node.deoptReason);
 
         return entryInfo;
     },
 
     __proto__: WebInspector.ProfileFlameChartDataProvider.prototype
 }