Print Preview: Handle a crashed initiator tab by showing a message in PP.

chrome/browser/ui/webui/print_preview_ui.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/print_preview_ui.h"
 
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/printing/print_preview_data_service.h"
@@ skipping 35 matching lines @@
 
 void PrintPreviewUI::SetPrintPreviewDataForIndex(int index,
                                                  const RefCountedBytes* data) {
   print_preview_data_service()->SetDataEntry(preview_ui_addr_str_, index, data);
 }
 
 void PrintPreviewUI::ClearAllPreviewData() {
   print_preview_data_service()->RemoveEntry(preview_ui_addr_str_);
 }
 
-void PrintPreviewUI::OnInitiatorTabClosed(
-    const std::string& initiator_url) {
-  StringValue initiator_tab_url(initiator_url);
+void PrintPreviewUI::SetInitiatorTabURL(const std::string& initiator_url) {
+  initiator_url_ = initiator_url;
+}
+
+void PrintPreviewUI::OnInitiatorTabCrashed() {
+  StringValue initiator_tab_url(initiator_url_);
+  CallJavascriptFunction("onInitiatorTabCrashed", initiator_tab_url);
+}
+
+void PrintPreviewUI::OnInitiatorTabClosed() {
+  StringValue initiator_tab_url(initiator_url_);
   CallJavascriptFunction("onInitiatorTabClosed", initiator_tab_url);
 }
 
 void PrintPreviewUI::OnPrintPreviewRequest() {
   request_count_++;
 }
 
 void PrintPreviewUI::OnDidGetPreviewPageCount(int document_cookie,
                                               int page_count,
                                               bool is_modifiable) {
@@ skipping 67 matching lines @@
 }
 
 void PrintPreviewUI::DecrementRequestCount() {
   if (request_count_ > 0)
     request_count_--;
 }
 
 int PrintPreviewUI::document_cookie() {
   return document_cookie_;
 }