Remove SVGTests related code from SVGGraphicsElement subclasses

Source/core/svg/SVGDefsElement.h

Index: Source/core/svg/SVGDefsElement.h
diff --git a/Source/core/svg/SVGDefsElement.h b/Source/core/svg/SVGDefsElement.h
index 834fa359e676d183659d8628af359b55661d3e2d..0b60150d20d36f65c9f6f13d56de710a5b0d66d5 100644
--- a/Source/core/svg/SVGDefsElement.h
+++ b/Source/core/svg/SVGDefsElement.h
@@ -42,11 +42,6 @@ private:
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGDefsElement)
         DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
-
-    // SVGTests
-    virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
-    virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
-    virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
 };
 
 } // namespace WebCore