Sync SVG interfaces with the specs

Source/core/svg/SVGFEConvolveMatrixElement.idl

Index: Source/core/svg/SVGFEConvolveMatrixElement.idl
diff --git a/Source/core/svg/SVGFEConvolveMatrixElement.idl b/Source/core/svg/SVGFEConvolveMatrixElement.idl
index 0f1c16a8ba3c37fa1c2f9de98ad1d62e504c640c..a1db16d26d07c2bfced059b6280ea5301d7d6225 100644
--- a/Source/core/svg/SVGFEConvolveMatrixElement.idl
+++ b/Source/core/svg/SVGFEConvolveMatrixElement.idl
@@ -23,7 +23,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// http://www.w3.org/TR/SVG11/filters.html#InterfaceSVGFEConvolveMatrixElement
 // http://www.w3.org/TR/filter-effects/#InterfaceSVGFEConvolveMatrixElement
 
 [
@@ -46,7 +45,11 @@
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedEnumeration edgeMode;
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedNumber kernelUnitLengthX;
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedNumber kernelUnitLengthY;
-    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedBoolean preserveAlpha; // in SVG 1.1, removed in SVG 2
+
+    // TODO(philipj): The following was part of SVG 1.1:
+    // http://www.w3.org/TR/SVG11/filters.html#InterfaceSVGFEConvolveMatrixElement
+    // https://www.w3.org/Bugs/Public/show_bug.cgi?id=28703
+    [RuntimeEnabled=SVG1DOM, Measure] readonly attribute SVGAnimatedBoolean preserveAlpha;
 };
 
 SVGFEConvolveMatrixElement implements SVGFilterPrimitiveStandardAttributes;