Update UI for extension destinations in print preview destination list

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 00c4c050ffaecd9f6513c4b1a5b6e79566b43428..a604e9d8e4436003cbc20844285507d624f20fa3 100644
--- a/chrome/browser/resources/print_preview/data/app_state.js
+++ b/chrome/browser/resources/print_preview/data/app_state.js
@@ -40,6 +40,7 @@ cr.define('print_preview', function() {
     SELECTED_DESTINATION_CAPABILITIES: 'selectedDestinationCapabilities',
     SELECTED_DESTINATION_NAME: 'selectedDestinationName',
     SELECTED_DESTINATION_EXTENSION_ID: 'selectedDestinationExtensionId',
+    SELECTED_DESTINATION_EXTENSION_NAME: 'selectedDestinationExtensionName',
     IS_GCP_PROMO_DISMISSED: 'isGcpPromoDismissed',
     DPI: 'dpi',
     MEDIA_SIZE: 'mediaSize',
@@ -107,6 +108,14 @@ cr.define('print_preview', function() {
       return this.state_[AppState.Field.SELECTED_DESTINATION_EXTENSION_ID];
     },
 
+    /**
+     * @return {?string} Extension name associated with the selected
+     *     destination.
+     */
+    get selectedDestinationExtensionName() {
+      return this.state_[AppState.Field.SELECTED_DESTINATION_EXTENSION_NAME];
+    },
+
     /** @return {boolean} Whether the GCP promotion has been dismissed. */
     get isGcpPromoDismissed() {
       return this.state_[AppState.Field.IS_GCP_PROMO_DISMISSED];
@@ -203,6 +212,8 @@ cr.define('print_preview', function() {
       this.state_[AppState.Field.SELECTED_DESTINATION_NAME] = dest.displayName;
       this.state_[AppState.Field.SELECTED_DESTINATION_EXTENSION_ID] =
           dest.extensionId;
+      this.state_[AppState.Field.SELECTED_DESTINATION_EXTENSION_NAME] =
+          dest.extensionName;
       this.persist_();
     },