Remove SVGSVGElement.viewport attribute

third_party/WebKit/Source/core/svg/SVGSVGElement.idl

Index: third_party/WebKit/Source/core/svg/SVGSVGElement.idl
diff --git a/third_party/WebKit/Source/core/svg/SVGSVGElement.idl b/third_party/WebKit/Source/core/svg/SVGSVGElement.idl
index 6b9e2ad221c883d31ed9a0b60f5f9c1d41c25fbf..9a0d3412732d23ffb418c0b41d627fd9f4831be8 100644
--- a/third_party/WebKit/Source/core/svg/SVGSVGElement.idl
+++ b/third_party/WebKit/Source/core/svg/SVGSVGElement.idl
@@ -27,8 +27,6 @@ interface SVGSVGElement : SVGGraphicsElement {
     [MeasureAs=SVG1DOMSVGElement] readonly attribute SVGAnimatedLength y;
     [MeasureAs=SVG1DOMSVGElement] readonly attribute SVGAnimatedLength width;
     [MeasureAs=SVG1DOMSVGElement] readonly attribute SVGAnimatedLength height;
-    // TODO(foolip): viewport should be a DOMRectReadOnly.
-    [DeprecateAs=V8SVGSVGElement_Viewport_AttributeGetter] readonly attribute SVGRect viewport;
     // TODO(foolip): useCurrentView and currentView have been removed:
     // https://github.com/w3c/svgwg/commit/4c26fd36937a65192024208d85c144a21071b057
     [DeprecateAs=V8SVGSVGElement_UseCurrentView_AttributeGetter] readonly attribute boolean useCurrentView;