Print preview page selection should not require a rerendering of draft pages.

printing/print_job_constants.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 "printing/print_job_constants.h"
 
 namespace printing {
 
 // True if this is the first preview request.
 const char kIsFirstRequest[] = "isFirstRequest";
@@ skipping 25 matching lines @@
 // Key that specifies if the default margins have been selected or not.
 // True if selected, false if not.
 const char kSettingDefaultMarginsSelected[] = "defaultMarginsSelected";
 
 // Device name: Unique printer identifier.
 const char kSettingDeviceName[] = "deviceName";
 
 // Print job duplex mode.
 const char kSettingDuplexMode[] = "duplex";
 
+// True, when a new set of draft preview data is required.
+const char kSettingGenerateDraftData[] = "generateDraftData";
+
 // Option to print headers and Footers: true if selected, false if not.
 const char kSettingHeaderFooterEnabled[] = "headerFooterEnabled";
 
 // Default character spacing for text while printing headers and footers.
 // (For CoreGraphics only).
 const int kSettingHeaderFooterCharacterSpacing = 0;
 
 // Default font family name for printing the headers and footers.
 const char kSettingHeaderFooterFontFamilyName[] = "sans";
 
@@ skipping 53 matching lines @@
 const char kSettingPrinterName[] = "printerName";
 
 // Print to PDF option: true if selected, false if not.
 const char kSettingPrintToPDF[] = "printToPDF";
 
 // Indices used to represent first preview page and complete preview document.
 const int FIRST_PAGE_INDEX = 0;
 const int COMPLETE_PREVIEW_DOCUMENT_INDEX = -1;
 
 }  // namespace printing