DevTools: Keep timeline counters graph colors independent of dark theme.

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

 /*
  * Copyright (C) 2012 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 369 matching lines @@
  */
 WebInspector.CountersGraph.CounterUI = function(memoryCountersPane, title, currentValueLabel, graphColor, counter, formatter)
 {
     this._memoryCountersPane = memoryCountersPane;
     this.counter = counter;
     this._formatter = formatter || Number.withThousandsSeparator;
     var container = memoryCountersPane._infoWidget.element.createChild("div", "memory-counter-selector-info");
 
     this._setting = WebInspector.settings.createSetting("timelineCountersGraph-" + title, true);
     this._filter = new WebInspector.ToolbarCheckbox(title, title, this._setting);
+    this._filter.inputElement.classList.add("-theme-preserve");
     var color = WebInspector.Color.parse(graphColor).setAlpha(0.5).asString(WebInspector.Color.Format.RGBA);
     if (color) {
         this._filter.element.backgroundColor = color;
         this._filter.element.borderColor = "transparent";
     }
     this._filter.inputElement.addEventListener("click", this._toggleCounterGraph.bind(this));
     container.appendChild(this._filter.element);
     this._range = this._filter.element.createChild("span", "range");
 
     this._value = memoryCountersPane._currentValuesBar.createChild("span", "memory-counter-value");
@@ skipping 227 matching lines @@
 
     /**
      * @override
      * @return {number}
      */
     boundarySpan: function()
     {
         return this._maximumBoundary - this._minimumBoundary;
     }
 }