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

Source/devtools/front_end/screencast/ScreencastView.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 507 matching lines @@
     },
 
     /**
      * @param {!DOMAgent.RGBA} color
      * @return {string}
      */
     _cssColor: function(color)
     {
         if (!color)
             return "transparent";
-        return WebInspector.Color.fromRGBA([color.r, color.g, color.b, color.a]).toString(WebInspector.Color.Format.RGBA) || "";
+        return WebInspector.Color.fromRGBA([color.r, color.g, color.b, color.a]).asString(WebInspector.Color.Format.RGBA) || "";
     },
 
     /**
      * @param {!DOMAgent.Quad} quad
      * @return {!CanvasRenderingContext2D}
      */
     _quadToPath: function(quad)
     {
         this._context.beginPath();
         this._context.moveTo(quad[0], quad[1]);
@@ skipping 320 matching lines @@
           return;
         this._maxDisplayedProgress = progress;
         this._displayProgress(progress);
     },
 
     _displayProgress: function(progress)
     {
         this._element.style.width = (100 * progress) + "%";
     }
 };