Fix path retrieval failure within named scope expression

R=arv
BUG=

Review URL: https://codereview.appspot.com/103920046

src/polymer-expressions.js

@@ -109,7 +109,8 @@
         (object instanceof MemberExpression || object instanceof IdentPath);
 
     this.object = this.simplePath ? object : getFn(object);
-    this.property = !this.computed ? property : getFn(property);
+    this.property = !this.computed || this.simplePath ?
+        property : getFn(property);
   }
 
   MemberExpression.prototype = {

tests/tests.js

@@ -2004,4 +2004,22 @@ suite('PolymerExpressions', function() {
     });
   });
 
+  test('issue-35', function(done) {
+    var div = createTestHtml(
+        '<template bind="{{ data[0] as foo }}">' +
+          '{{ foo.value }}' +
+        '</template>');
+
+    var model = {
+      data: [{ value: 'bar' }]
+    };
+
+    recursivelySetTemplateModel(div, model);
+
+    then(function() {
+      assert.strictEqual(div.childNodes[1].textContent, 'bar');
+      done();
+    });
+  });
+
 });