(no bug) Update stale comment above VectorImage::Draw() impl, to reflect current IDL function-prototype. (comment-only, DONTBUILD)

image/src/VectorImage.cpp

@@ -756,13 +756,11 @@ struct SVGDrawingParameters
 
 //******************************************************************************
 /* [noscript] void draw(in gfxContext aContext,
- *                      in gfxGraphicsFilter aFilter,
- *                      [const] in gfxMatrix aUserSpaceToImageSpace,
- *                      [const] in gfxRect aFill,
- *                      [const] in nsIntRect aSubimage,
- *                      [const] in nsIntSize aViewportSize,
- *                      [const] in SVGImageContext aSVGContext,
+ *                      [const] in nsIntSize aSize,
+ *                      [const] in ImageRegion aRegion,
  *                      in uint32_t aWhichFrame,
+ *                      in gfxGraphicsFilter aFilter,
+ *                      [const] in MaybeSVGImageContext aSVGContext,
  *                      in uint32_t aFlags); */
 NS_IMETHODIMP
 VectorImage::Draw(gfxContext* aContext,