Provide a mobile application menu

Summary:
Adds a right-hand-side application menu, based roughly on `frame_v3.png`.

This has the same icon as the left menu until we get real design in, but is functionally reasonable.

Test Plan: {F26170} {F26169}

Reviewers: chad

Reviewed By: chad

CC: aran

Maniphest Tasks: T1960

Differential Revision: https://secure.phabricator.com/D4061

src/view/layout/PhabricatorMenuView.php

@@ -11,6 +11,27 @@ final class PhabricatorMenuView extends AphrontView {
     return $this;
   }
 
+  public function newLabel($name) {
+    $item = id(new PhabricatorMenuItemView())
+      ->setType(PhabricatorMenuItemView::TYPE_LABEL)
+      ->setName($name);
+
+    $this->addMenuItem($item);
+
+    return $item;
+  }
+
+  public function newLink($name, $href) {
+    $item = id(new PhabricatorMenuItemView())
+      ->setType(PhabricatorMenuItemView::TYPE_LINK)
+      ->setName($name)
+      ->setHref($href);
+
+    $this->addMenuItem($item);
+
+    return $item;
+  }
+
   public function addMenuItem(PhabricatorMenuItemView $item) {
     $key = $item->getKey();
     if ($key !== null) {