[DevTools] Get rid of timeling grid labels overlapping with sort option.

Source/devtools/front_end/network/NetworkLogView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 Google 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
@@ skipping 699 matching lines @@
             return;
         }
 
         var timelineOffset = this._dataGrid.columnOffset("timeline");
         // Position timline grid location.
         if (timelineOffset)
             this._timelineGrid.element.style.left = timelineOffset + "px";
 
         var calculator = this.calculator();
         calculator.setDisplayWindow(this._timelineGrid.dividersElement.clientWidth);
-        this._timelineGrid.updateDividers(calculator, 50);
+        this._timelineGrid.updateDividers(calculator, 75);
 
         if (calculator.startAtZero) {
             // If our current sorting method starts at zero, that means it shows all
             // requests starting at the same point, and so onLoad event and DOMContent
             // event lines really wouldn't make much sense here, so don't render them.
             return;
         }
 
         this._updateEventDividers();
     },
@@ skipping 1291 matching lines @@
         return false;
     return true;
 }
 
 WebInspector.NetworkLogView.EventTypes = {
     RequestSelected: "RequestSelected",
     SearchCountUpdated: "SearchCountUpdated",
     SearchIndexUpdated: "SearchIndexUpdated",
     UpdateRequest: "UpdateRequest"
 };