Remove SVGDocument from bindings generator and test cases

Source/bindings/tests/idls/TestSVG.idl

 /*
  * Copyright (C) 2014 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 typedef SVGPoint SVGPOINT;
 
 interface TestSVG {
     [Reflect] attribute SVGAnimatedString animatedReflectedAttribute;
-    [CheckSecurity=Node, RaisesException] SVGDocument getSVGDocument();
 
     attribute SVGPoint mutablePoint;
     [Immutable] attribute SVGPoint immutablePoint;
     SVGPoint mutablePointFunction();
     [Immutable] SVGPoint immutablePointFunction();
     [Immutable] SVGPOINT immutablePointFunctionTypedef();
 
     SVGPoint svgPointMethod(SVGPoint item, unsigned long index);
     [StrictTypeChecking, RaisesException]  SVGPoint strictSVGPointMethod(SVGPoint item, unsigned long index);
 
 };