Ignore print() during page dismissal.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 121 matching lines @@
 namespace {
 
 const char* DialogTypeToString(ChromeClient::DialogType dialog_type) {
   switch (dialog_type) {
     case ChromeClient::kAlertDialog:
       return "alert";
     case ChromeClient::kConfirmDialog:
       return "confirm";
     case ChromeClient::kPromptDialog:
       return "prompt";
+    case ChromeClient::kPrintDialog:
+      return "print";
     case ChromeClient::kHTMLDialog:
       NOTREACHED();
   }
   NOTREACHED();
   return "";
 }
 
 const char* DismissalTypeToString(Document::PageDismissalType dismissal_type) {
   switch (dismissal_type) {
     case Document::kBeforeUnloadDismissal:
@@ skipping 1108 matching lines @@
   if (RuntimeEnabledFeatures::presentationEnabled())
     PresentationController::ProvideTo(frame, client->PresentationClient());
   if (RuntimeEnabledFeatures::audioOutputDevicesEnabled()) {
     ProvideAudioOutputDeviceClientTo(frame,
                                      new AudioOutputDeviceClientImpl(frame));
   }
   InstalledAppController::ProvideTo(frame, client->GetRelatedAppsFetcher());
 }
 
 }  // namespace blink