Ignore print() during page dismissal.

third_party/WebKit/Source/core/page/ChromeClient.cpp

 /*
  * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 11 matching lines @@
 #include "core/page/ChromeClient.h"
 
 #include <algorithm>
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/LocalFrame.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/layout/HitTestResult.h"
 #include "core/page/FrameTree.h"
+#include "core/page/Page.h"
 #include "core/page/ScopedPageSuspender.h"
 #include "core/page/WindowFeatures.h"
 #include "core/probe/CoreProbes.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/network/NetworkHints.h"
 #include "public/platform/WebScreenInfo.h"
 
 namespace blink {
 
 DEFINE_TRACE(ChromeClient) {
@@ skipping 173 matching lines @@
   SetToolTip(frame, tool_tip, tool_tip_direction);
 }
 
 void ChromeClient::ClearToolTip(LocalFrame& frame) {
   // Do not check m_lastToolTip* and do not update them intentionally.
   // We don't want to show tooltips with same content after clearToolTip().
   SetToolTip(frame, String(), TextDirection::kLtr);
 }
 
 bool ChromeClient::Print(LocalFrame* frame) {
+  if (!CanOpenModalIfDuringPageDismissal(*frame->GetPage()->MainFrame(),
+                                         ChromeClient::kPrintDialog, "")) {
+    return false;
+  }
+
   if (frame->GetDocument()->IsSandboxed(kSandboxModals)) {
     UseCounter::Count(frame, UseCounter::kDialogInSandboxedContext);
     frame->Console().AddMessage(ConsoleMessage::Create(
         kSecurityMessageSource, kErrorMessageLevel,
         "Ignored call to 'print()'. The document is sandboxed, and the "
         "'allow-modals' keyword is not set."));
     return false;
   }
 
   // Suspend pages in case the client method runs a new event loop that would
   // otherwise cause the load to continue while we're in the middle of
   // executing JavaScript.
   ScopedPageSuspender suspender;
 
   PrintDelegate(frame);
   return true;
 }
 
 }  // namespace blink