Begins preview generation as soon as initial state is loaded. Doesn't wait for print destination to…

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

Index: chrome/browser/resources/print_preview/data/print_ticket_store.js
diff --git a/chrome/browser/resources/print_preview/data/print_ticket_store.js b/chrome/browser/resources/print_preview/data/print_ticket_store.js
index 94e4b6aa91aa0fc83ea1047053aa228e99e40051..d217132b5d47634c31cb222bbeff32a7e039a10d 100644
--- a/chrome/browser/resources/print_preview/data/print_ticket_store.js
+++ b/chrome/browser/resources/print_preview/data/print_ticket_store.js
@@ -272,6 +272,8 @@ cr.define('print_preview', function() {
         this.cssBackground_.updateValue(this.appState_.getField(
             print_preview.AppState.Field.IS_CSS_BACKGROUND_ENABLED));
       }
+      this.isInitialized_ = true;
+      cr.dispatchSimpleEvent(this, PrintTicketStore.EventType.INITIALIZE);
     },
 
     /** @return {boolean} Whether the header-footer capability is available. */
@@ -519,10 +521,7 @@ cr.define('print_preview', function() {
       var caps = this.destinationStore_.selectedDestination.capabilities;
       var isFirstUpdate = this.capabilitiesHolder_.get() == null;
       this.capabilitiesHolder_.set(caps);
-      if (isFirstUpdate) {
-        this.isInitialized_ = true;
-        cr.dispatchSimpleEvent(this, PrintTicketStore.EventType.INITIALIZE);
-      } else {
+      if (!isFirstUpdate) {
         // Reset user selection for certain ticket items.
         this.customMargins_.updateValue(null);
         this.appState_.persistCustomMargins(null);