Fix for Bug 302640 -- hasFeature for SVG DOM implementation yields true with native SVG disabled

r=jwatt

content/svg/content/src/nsSVGFeatures.cpp

@@ -38,10 +38,14 @@
  * ***** END LICENSE BLOCK ***** */
 
 #include "nsString.h"
+#include "nsSVGUtils.h"
 
 // Test to see if a feature is implemented
 PRBool
 NS_SVG_TestFeature(const nsAString& fstr) {
+  if (!nsSVGUtils::SVGEnabled()) {
+    return PR_FALSE;
+  }
   nsAutoString lstr(fstr);
   lstr.StripWhitespace();
 

layout/svg/base/src/nsSVGUtils.h

@@ -37,6 +37,9 @@
 #ifndef NS_SVGUTILS_H
 #define NS_SVGUTILS_H
 
+// Need this to get nsPresContext
+#include "nsContentUtils.h"
+
 class nsPresContext;
 class nsIContent;
 class nsStyleCoord;