Rename DOMPath IDL interface to Path to match the specification

Source/core/html/canvas/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
@@ skipping 47 matching lines @@
 
     // FIXME: These attributes should be implemented.
     // [Custom] attribute Array webkitLineDash;
     // attribute float webkitLineDashOffset;
 
     void clearRect(float x, float y, float width, float height);
     void fillRect(float x, float y, float width, float height);
 
     void beginPath();
 
-    attribute DOMPath currentPath;
+    attribute Path currentPath;
 
     // FIXME: These methods should be shared with CanvasRenderingContext2D in the CanvasPathMethods interface.
     void closePath();
     void moveTo(float x, float y);
     void lineTo(float x, float y);
     void quadraticCurveTo(float cpx, float cpy, float x, float y);
     void bezierCurveTo(float cp1x, float cp1y, float cp2x, float cp2y, float x, float y);
     [RaisesException] void arcTo(float x1, float y1, float x2, float y2, float radius);
     void rect(float x, float y, float width, float height);
     [RaisesException] void arc(float x, float y, float radius, float startAngle, float endAngle, [Default=Undefined] optional boolean anticlockwise);
@@ skipping 77 matching lines @@
 
     [RaisesException] ImageData webkitGetImageDataHD(float sx, float sy, float sw, float sh);
 
     readonly attribute float webkitBackingStorePixelRatio;
 
     attribute boolean webkitImageSmoothingEnabled;
 
     [EnabledAtRuntime=experimentalCanvasFeatures] Canvas2DContextAttributes getContextAttributes();
 };