Experimental SVG 1.1 DOM runtime flag.

Source/core/svg/SVGTextContentElement.idl

Index: Source/core/svg/SVGTextContentElement.idl
diff --git a/Source/core/svg/SVGTextContentElement.idl b/Source/core/svg/SVGTextContentElement.idl
index 9d1f4f4e78b504393830189a8523c32a46cd4d9b..bfd15879ccbc54dcbc929cad59856c57ae012e33 100644
--- a/Source/core/svg/SVGTextContentElement.idl
+++ b/Source/core/svg/SVGTextContentElement.idl
@@ -27,12 +27,12 @@
     TypeChecking=Interface,
 ] interface SVGTextContentElement : SVGGraphicsElement {
     // lengthAdjust Types
-    const unsigned short LENGTHADJUST_UNKNOWN          = 0;
-    const unsigned short LENGTHADJUST_SPACING          = 1;
-    const unsigned short LENGTHADJUST_SPACINGANDGLYPHS = 2;
+    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] const unsigned short LENGTHADJUST_UNKNOWN          = 0;
+    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] const unsigned short LENGTHADJUST_SPACING          = 1;
+    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] const unsigned short LENGTHADJUST_SPACINGANDGLYPHS = 2;
 
-    readonly attribute SVGAnimatedLength      textLength;
-    readonly attribute SVGAnimatedEnumeration lengthAdjust;
+    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedLength      textLength;
+    [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedEnumeration lengthAdjust;
 
     long getNumberOfChars();
     float getComputedTextLength();
@@ -44,4 +44,3 @@
     [RaisesException] long getCharNumAtPosition(SVGPoint point);
     [RaisesException] void selectSubString(unsigned long offset, unsigned long length);
 };
-