DevTools: Grey out outside parts of selection window on timeline overview.

third_party/WebKit/Source/devtools/front_end/ui_lazy/TimelineOverviewPane.js

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 254 matching lines @@
                 continue;
             filteredMarkers.set(position, marker);
             marker.style.left = position + "px";
         }
         this._overviewGrid.removeEventDividers();
         this._overviewGrid.addEventDividers(filteredMarkers.valuesArray());
     },
 
     reset: function()
     {
+        this._windowStartTime = 0;
+        this._windowEndTime = Infinity;
         this._overviewCalculator.reset();
         this._overviewGrid.reset();
         this._overviewGrid.setResizeEnabled(false);
         this._overviewGrid.updateDividers(this._overviewCalculator);
         this._cursorEnabled = false;
         this._hideCursor();
         this._markers = new Map();
         for (var i = 0; i < this._overviewControls.length; ++i)
             this._overviewControls[i].reset();
         this._popoverHelper.hidePopover();
@@ skipping 347 matching lines @@
     },
 
     resetCanvas: function()
     {
         this._canvas.width = this.element.clientWidth * window.devicePixelRatio;
         this._canvas.height = this.element.clientHeight * window.devicePixelRatio;
     },
 
     __proto__: WebInspector.VBox.prototype
 }