Compile print_preview, part 3: reduce down to 185 errors

chrome/browser/resources/print_preview/data/app_state.js

Index: chrome/browser/resources/print_preview/data/app_state.js
diff --git a/chrome/browser/resources/print_preview/data/app_state.js b/chrome/browser/resources/print_preview/data/app_state.js
index 230ad3ea607c21677fa82cac63b229fc9e5f67e1..fd0a452736ae887680ad554b96fd67d7f440241d 100644
--- a/chrome/browser/resources/print_preview/data/app_state.js
+++ b/chrome/browser/resources/print_preview/data/app_state.js
@@ -12,7 +12,7 @@ cr.define('print_preview', function() {
   function AppState() {
     /**
      * Internal representation of application state.
-     * @type {Object.<string: Object>}
+     * @type {Object.<string, print_preview.ValueType>}
      * @private
      */
     this.state_ = {};
@@ -56,7 +56,10 @@ cr.define('print_preview', function() {
       return this.state_[AppState.Field.SELECTED_DESTINATION_ACCOUNT];
     },
 
-    /** @return {?string} Origin of the selected destination. */
+    /**
+     * @return {?print_preview.Destination.Origin.<string>} Origin of the
+     *     selected destination.
+     */
     get selectedDestinationOrigin() {
       return this.state_[AppState.Field.SELECTED_DESTINATION_ORIGIN];
     },
@@ -87,7 +90,7 @@ cr.define('print_preview', function() {
 
     /**
      * @param {!print_preview.AppState.Field} field App state field to get.
-     * @return {Object} Value of the app state field.
+     * @return {print_preview.ValueType} Value of the app state field.
      */
     getField: function(field) {
       if (field == AppState.Field.CUSTOM_MARGINS) {
@@ -139,7 +142,7 @@ cr.define('print_preview', function() {
     /**
      * Persists the given value for the given field.
      * @param {!print_preview.AppState.Field} field Field to persist.
-     * @param {Object} value Value of field to persist.
+     * @param {print_preview.ValueType} value Value of field to persist.
      */
     persistField: function(field, value) {
       if (!this.isInitialized_)