DevTools: Rename WI.Color's toString(format) -> asString(format)

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 370 matching lines @@
     var container = memoryCountersPane.sidebarElement().createChild("div", "memory-counter-sidebar-info");
     var swatchColor = graphColor;
     this._swatch = new WebInspector.SwatchCheckbox(WebInspector.UIString(title), swatchColor);
     this._swatch.addEventListener(WebInspector.SwatchCheckbox.Events.Changed, this._toggleCounterGraph.bind(this));
     container.appendChild(this._swatch.element);
     this._range = this._swatch.element.createChild("span");
 
     this._value = memoryCountersPane._currentValuesBar.createChild("span", "memory-counter-value");
     this._value.style.color = graphColor;
     this.graphColor = graphColor;
-    this.limitColor = WebInspector.Color.parse(graphColor).setAlpha(0.3).toString(WebInspector.Color.Format.RGBA);
+    this.limitColor = WebInspector.Color.parse(graphColor).setAlpha(0.3).asString(WebInspector.Color.Format.RGBA);
     this.graphYValues = [];
     this._verticalPadding = 10;
 
     this._currentValueLabel = currentValueLabel;
     this._marker = memoryCountersPane._canvasContainer.createChild("div", "memory-counter-marker");
     this._marker.style.backgroundColor = graphColor;
     this._clearCurrentValueAndMarker();
 }
 
 WebInspector.CountersGraph.CounterUI.prototype = {
@@ skipping 156 matching lines @@
     },
 
     _toggleCheckbox: function(event)
     {
         this.checked = !this.checked;
         this.dispatchEventToListeners(WebInspector.SwatchCheckbox.Events.Changed);
     },
 
     __proto__: WebInspector.Object.prototype
 }