Implement canvas color space IDL format for 2D canvas

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.idl

 /*
  * Copyright (C) 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
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     [RaisesException] ImageData createImageData(ImageData imagedata);
     [RaisesException] ImageData createImageData(double sw, double sh);
     [RaisesException] ImageData getImageData(double sx, double sy, double sw, double sh);
     [RaisesException] void putImageData(ImageData imagedata, double dx, double dy);
     [RaisesException] void putImageData(ImageData imagedata, double dx, double dy, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight);
 
     // Context state
     // Should be merged with WebGL counterpart in CanvasRenderingContext, once no-longer experimental
     [RuntimeEnabled=ExperimentalCanvasFeatures] boolean isContextLost();
 
-    Canvas2DContextAttributes getContextAttributes();
+    CanvasRenderingContext2DSettings getContextAttributes();
 
     // FIXME: factor out to CanvasDrawingStyles
     // line caps/joins
     attribute unrestricted double lineWidth; // (default 1)
     attribute DOMString lineCap; // "butt", "round", "square" (default "butt")
     attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter")
     attribute unrestricted double miterLimit; // (default 10)
 
     // dashed lines
     void setLineDash(sequence<unrestricted double> dash);
     sequence<unrestricted double> getLineDash();
     attribute unrestricted double lineDashOffset;
 
     // text
     attribute DOMString font; // (default 10px sans-serif)
     attribute DOMString textAlign; // "start", "end", "left", "right", "center" (default: "start")
     attribute DOMString textBaseline; // "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" (default: "alphabetic")
     [RuntimeEnabled=ExperimentalCanvasFeatures] attribute DOMString direction; // "inherit", "rtl", "ltr" (default: "inherit")
 
 };
 
 CanvasRenderingContext2D implements CanvasPathMethods;