chore(compiler): Added a failing test for ng-repeat, fixup ng-shadow-dom

Author: jbdeboer

lib/directives/ng_shadow_dom.dart

@@ -1,13 +1,16 @@
 part of angular;
 
 class NgShadowDomAttrDirective {
+  Block block;
   NgShadowDomAttrDirective(BlockList list, dom.Element element) {
-    var block = list.newBlock();
+    block = list.newBlock();
     var shadowRoot = element.createShadowRoot();
     for (var i = 0, ii = block.elements.length; i < ii; i++) {
       shadowRoot.append(block.elements[i]);
     }
   }
 
-  attach(Scope scope) {}
+  attach(Scope scope) {
+    block.attach(scope);
+  }
 }

test/compiler_spec.dart

@@ -63,6 +63,24 @@ main() {
       expect(element.html()).toEqual('<!--ANCHOR: ng-repeat=item in items-->');
     }));
 
+    xit('should compile repeater with children', inject(() {
+      var element = $('<div><div ng-repeat="item in items"><div ng-bind="item"></div></div></div>');
+      var template = $compile(element);
+
+      $rootScope.items = ['A', 'b'];
+      template(element).attach($rootScope);
+
+      expect(element.text()).toEqual('');
+// TODO(deboer): Digest twice until we have dirty checking in the scope.
+      $rootScope.$digest();
+      $rootScope.$digest();
+      expect(element.text()).toEqual('Ab');
+
+      $rootScope.items = [];
+      $rootScope.$digest();
+      expect(element.html()).toEqual('<!--ANCHOR: ng-repeat=item in items-->');
+    }));
+
 
     xit('should compile multi-root repeater', inject(() {
       var element = $(