Get rid of SVGRect special case from the bindings generator

Source/core/svg/SVGLocatable.cpp

Index: Source/core/svg/SVGLocatable.cpp
diff --git a/Source/core/svg/SVGLocatable.cpp b/Source/core/svg/SVGLocatable.cpp
index fdc387836e2ba7aa41c6f53980125b7a0f627677..3549580941969786af88991336550c5c6edd186f 100644
--- a/Source/core/svg/SVGLocatable.cpp
+++ b/Source/core/svg/SVGLocatable.cpp
@@ -61,7 +61,7 @@ SVGElement* SVGLocatable::farthestViewportElement(const SVGElement* element)
     return farthest;
 }
 
-FloatRect SVGLocatable::getBBox(SVGElement* element, StyleUpdateStrategy styleUpdateStrategy)
+SVGRect SVGLocatable::getBBox(SVGElement* element, StyleUpdateStrategy styleUpdateStrategy)
 {
     ASSERT(element);
     if (styleUpdateStrategy == AllowStyleUpdate)
@@ -69,7 +69,7 @@ FloatRect SVGLocatable::getBBox(SVGElement* element, StyleUpdateStrategy styleUp
 
     // FIXME: Eventually we should support getBBox for detached elements.
     if (!element->renderer())
-        return FloatRect();
+        return SVGRect();
 
     return element->renderer()->objectBoundingBox();
 }