LibWeb: Stub out two functions on SVGGeometryElement

These two were called by Discord while loading:

- float getTotalLength();
- DOMPoint getPointAtLength(float distance);

Userland/Libraries/LibWeb/SVG/SVGGeometryElement.cpp

@@ -19,4 +19,15 @@ RefPtr<Layout::Node> SVGGeometryElement::create_layout_node(NonnullRefPtr<CSS::S
     return adopt_ref(*new Layout::SVGGeometryBox(document(), *this, move(style)));
 }
 
+float SVGGeometryElement::get_total_length()
+{
+    return 0;
+}
+
+NonnullRefPtr<Geometry::DOMPoint> SVGGeometryElement::get_point_at_length(float distance)
+{
+    (void)distance;
+    return Geometry::DOMPoint::create(0, 0, 0, 0);
+}
+
 }

Userland/Libraries/LibWeb/SVG/SVGGeometryElement.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <LibWeb/Geometry/DOMPoint.h>
 #include <LibWeb/SVG/SVGGraphicsElement.h>
 
 namespace Web::SVG {
@@ -19,6 +20,9 @@ public:
 
     virtual Gfx::Path& get_path() = 0;
 
+    float get_total_length();
+    NonnullRefPtr<Geometry::DOMPoint> get_point_at_length(float distance);
+
 protected:
     SVGGeometryElement(DOM::Document& document, DOM::QualifiedName qualified_name);
 };

Userland/Libraries/LibWeb/SVG/SVGGeometryElement.idl

@@ -1,5 +1,9 @@
+#import <Geometry/DOMPoint.idl>
 #import <SVG/SVGGraphicsElement.idl>
 
 interface SVGGeometryElement : SVGGraphicsElement {
 
+    float getTotalLength();
+    DOMPoint getPointAtLength(float distance);
+
 };