PrintPreview: Make ctrl-shift-p start the native print flow.

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 <map>
 
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
@@ skipping 125 matching lines @@
 
 void PrintPreviewUI::OnInitiatorTabClosed() {
   StringValue initiator_tab_url(initiator_url_);
   CallJavascriptFunction("onInitiatorTabClosed", initiator_tab_url);
 }
 
 void PrintPreviewUI::OnPrintPreviewRequest(int request_id) {
   g_print_preview_request_id_map.Get().Set(preview_ui_addr_str_, request_id);
 }
 
+void PrintPreviewUI::OnShowSystemDialog() {
+  CallJavascriptFunction("onSystemDialogLinkClicked");
+}
+
 void PrintPreviewUI::OnDidGetPreviewPageCount(
     const PrintHostMsg_DidGetPreviewPageCount_Params& params) {
   DCHECK_GT(params.page_count, 0);
   base::FundamentalValue count(params.page_count);
   base::FundamentalValue modifiable(params.is_modifiable);
   base::FundamentalValue request_id(params.preview_request_id);
   StringValue title(initiator_tab_title_);
   CallJavascriptFunction("onDidGetPreviewPageCount", count, modifiable,
                          request_id, title);
 }
@@ skipping 40 matching lines @@
   CallJavascriptFunction("fileSelectionCancelled");
 }
 
 void PrintPreviewUI::OnPrintPreviewFailed() {
   CallJavascriptFunction("printPreviewFailed");
 }
 
 PrintPreviewDataService* PrintPreviewUI::print_preview_data_service() {
   return PrintPreviewDataService::GetInstance();
 }