Revert "Dartium JS Interop enabled."

tools/dom/templates/html/impl/impl_SVGElement.darttemplate

Index: tools/dom/templates/html/impl/impl_SVGElement.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_SVGElement.darttemplate b/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
index b41f7eca2eb7beb0256dd4c7e7b8c02972bcb6f5..2eaafe60beeb37dbb206b741a4307ad38178a88f 100644
--- a/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
+++ b/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
@@ -58,7 +58,7 @@ $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
 
   List<Element> get children => new FilteredElementList(this);
 
-  set children(List<Element> value) {
+  void set children(List<Element> value) {
     final children = this.children;
     children.clear();
     children.addAll(value);
@@ -78,7 +78,7 @@ $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
     return container.innerHtml;
   }
 
-  set innerHtml(String value) {
+  void set innerHtml(String value) {
     this.setInnerHtml(value);
   }
 
@@ -143,21 +143,5 @@ $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
     var e = new $CLASSNAME.tag(tag);
     return e is $CLASSNAME && !(e is UnknownElement);
   }
-
-$if JSINTEROP
-  set _svgClassName(AnimatedString value) =>
-      _blink.BlinkSVGElement.instance.className_Setter_(unwrap_jso(this), unwrap_jso(value));
-
-  String get className => _svgClassName.baseVal;
-
-  // Unbelievable hack. We can't create an SvgAnimatedString, but we can get
-  // the existing one and change its baseVal. Then we call the blink setter directly
-  // TODO(alanknight): Handle suppressing the SVGAnimated<*> better
-  set className(String s) {
-    var oldClass = _svgClassName;
-    oldClass.baseVal = s;
-    _svgClassName = oldClass;
-  }
-$endif
 $!MEMBERS
 }