Update LegacyElementMixin.distributeContent

This should no longer be needed and is provided only for backwards compatibility.

lib/legacy/legacy-element-mixin.html

@@ -455,15 +455,12 @@
 
       /**
        * Force this element to distribute its children to its local dom.
-       * This is necessary only when ShadyDOM is used and only in cases that
-       * are not automatically handled. For example,
-       * a user should call `distributeContent` if distribution has been
-       * invalidated due to an element being added or removed from the shadowRoot
-       * that contains an insertion point (`<slot>`) inside its subtree.
+       * This should not be necessary as of Polymer 2.0.2 and is provided only
+       * for backwards compatibility.
        */
       distributeContent() {
         if (window.ShadyDOM && this.shadowRoot) {
-          this.shadowRoot.forceRender();
+          ShadyDOM.flush();
         }
       }
 

test/unit/shady-content.html

@@ -1333,7 +1333,6 @@
       frag.appendChild(dist);
       el.root.insertBefore(frag, el.$.dist2);
       // Note, special call required here
-      //el.distributeContent(true);
       ShadyDOM.flush();
 
     });
@@ -1349,7 +1348,6 @@
       // Remove first element with nested content to the end
       el.root.appendChild(el.$.dist1);
       // Note, special call required here
-      //el.distributeContent(true);
       ShadyDOM.flush();
 
     });

test/unit/shady-dynamic.html

@@ -1866,7 +1866,7 @@
     assert.equal(nd.root.children.length, 1, 'root children length not decremented due to element removal');
   });
 
-  test('distributeContent correctly distributes changes to light dom', function() {
+  test('modifying slots correctly distributes changes to light dom', function() {
     function testNoAttr() {
       assert.equal(allInsertionPoints(child)[0], d.$.notTestContent, 'child not distributed logically');
       if (checkUnpatchedDom) {