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

Source/devtools/front_end/common/Color.js

 /*
  * Copyright (C) 2009 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 231 matching lines @@
             var c = Math.round(this._rgba[i] * 255);
             if (c % 17)
                 return false;
         }
         return true;
     },
 
     /**
      * @return {?string}
      */
-    toString: function(format)
+    asString: function(format)
     {
         if (!format)
             format = this._format;
 
         /**
          * @param {number} value
          * @return {number}
          */
         function toRgbValue(value)
         {
@@ skipping 376 matching lines @@
 WebInspector.Color.Format = {
     Original: "original",
     Nickname: "nickname",
     HEX: "hex",
     ShortHEX: "shorthex",
     RGB: "rgb",
     RGBA: "rgba",
     HSL: "hsl",
     HSLA: "hsla"
 }