[Code Style] Use prototypes in About bundle

WTD-1482.

platform/commonUI/about/src/AboutController.js

@@ -41,31 +41,29 @@ define(
          * @param $window Angular-injected window object
          */
         function AboutController(versions, $window) {
-            return {
+            this.versionDefinitions = versions;
-                /**
+            this.$window = $window;
-                 * Get version info. This is given as an array of
-                 * objects, where each object is intended to appear
-                 * as a line-item in the version information listing.
-                 * @memberof AboutController#
-                 * @returns {object[]} version information
-                 * @memberof platform/commonUI/about.AboutController#
-                 */
-                versions: function () {
-                    return versions;
-                },
-                /**
-                 * Open a new window (or tab, depending on browser
-                 * configuration) containing open source licenses.
-                 * @memberof AboutController#
-                 * @memberof platform/commonUI/about.AboutController#
-                 */
-                openLicenses: function () {
-                    // Open a new browser window at the licenses route
-                    $window.open("#/licenses");
-                }
-            };
         }
 
+        /**
+         * Get version info. This is given as an array of
+         * objects, where each object is intended to appear
+         * as a line-item in the version information listing.
+         * @returns {object[]} version information
+         */
+        AboutController.prototype.versions = function () {
+            return this.versionDefinitions;
+        };
+
+        /**
+         * Open a new window (or tab, depending on browser
+         * configuration) containing open source licenses.
+         */
+        AboutController.prototype.openLicenses = function () {
+            // Open a new browser window at the licenses route
+            this.$window.open("#/licenses");
+        };
+
         return AboutController;
     }
 );

platform/commonUI/about/src/LicenseController.js

@@ -33,18 +33,18 @@ define(
          * @constructor
          */
         function LicenseController(licenses) {
-            return {
+            this.licenseDefinitions = licenses;
-                /**
-                 * Get license information.
-                 * @returns {Array} license extensions
-                 * @memberof platform/commonUI/about.LicenseController#
-                 */
-                licenses: function () {
-                    return licenses;
-                }
-            };
         }
 
+        /**
+         * Get license information.
+         * @returns {Array} license extensions
+         * @memberof platform/commonUI/about.LicenseController#
+         */
+        LicenseController.prototype.licenses = function () {
+            return this.licenseDefinitions;
+        };
+
         return LicenseController;
     }
 );

platform/commonUI/about/src/LogoController.js

@@ -34,18 +34,18 @@ define(
          * @param {OverlayService} overlayService the overlay service
          */
         function LogoController(overlayService) {
-            return {
+            this.overlayService = overlayService;
-                /**
-                 * Display the About dialog.
-                 * @memberof LogoController#
-                 * @memberof platform/commonUI/about.LogoController#
-                 */
-                showAboutDialog: function () {
-                    overlayService.createOverlay("overlay-about");
-                }
-            };
         }
 
+        /**
+         * Display the About dialog.
+         * @memberof LogoController#
+         * @memberof platform/commonUI/about.LogoController#
+         */
+        LogoController.prototype.showAboutDialog = function () {
+            this.overlayService.createOverlay("overlay-about");
+        };
+
         return LogoController;
     }
 );