[Layout] Refactor view switcher

Refactor view switcher to simplify it; treat it
as a representation of a domain object that modifies
an ng-model. This simplifies reuse, e.g. in frames
within a layout. WTD-535.

platform/commonUI/browse/src/ViewSwitcherController.js

@@ -1,53 +0,0 @@
-/*global define,Promise*/
-
-/**
- * Module defining ViewSwitcherController. Created by vwoeltje on 11/7/14.
- */
-define(
-    [],
-    function () {
-        "use strict";
-
-        /**
-         * Controller for the view switcher; populates and maintains a list
-         * of applicable views for a represented domain object.
-         * @constructor
-         */
-        function ViewSwitcherController($scope) {
-            // If the view capability gets refreshed, try to
-            // keep the same option chosen.
-            function findMatchingOption(options, selected) {
-                var i;
-
-                if (selected) {
-                    for (i = 0; i < options.length; i += 1) {
-                        if (options[i].key === selected.key) {
-                            return options[i];
-                        }
-                    }
-                }
-
-                return options[0];
-            }
-
-            // Get list of views, read from capability
-            function updateOptions(views) {
-                var options = views || [];
-
-                $scope.switcher = {
-                    options: options,
-                    selected: findMatchingOption(
-                        options,
-                        ($scope.switcher || {}).selected
-                    )
-                };
-            }
-
-            // Update view options when the in-scope results of using the
-            // view capability change.
-            $scope.$watch("view", updateOptions);
-        }
-
-        return ViewSwitcherController;
-    }
-);