Fix lack of preview when GCP printer is selected.

printing/printing_context_win.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/printing_context_win.h"
 
 #include <winspool.h>
 
 #include <algorithm>
 
@@ skipping 312 matching lines @@
 
 PrintingContext::Result PrintingContextWin::UpdatePrinterSettings(
     const DictionaryValue& job_settings,
     const PageRanges& ranges) {
   DCHECK(!in_print_job_);
 
   bool collate;
   int color;
   bool landscape;
   bool print_to_pdf;
+  bool is_cloud_dialog;
   int copies;
   int duplex_mode;
   string16 device_name;
 
   if (!job_settings.GetBoolean(kSettingLandscape, &landscape) ||
       !job_settings.GetBoolean(kSettingCollate, &collate) ||
       !job_settings.GetInteger(kSettingColor, &color) ||
       !job_settings.GetBoolean(kSettingPrintToPDF, &print_to_pdf) ||
       !job_settings.GetInteger(kSettingDuplexMode, &duplex_mode) ||
       !job_settings.GetInteger(kSettingCopies, &copies) ||
-      !job_settings.GetString(kSettingDeviceName, &device_name)) {
+      !job_settings.GetString(kSettingDeviceName, &device_name) ||
+      !job_settings.GetBoolean(kSettingCloudPrintDialog, &is_cloud_dialog)) {
     return OnError();
   }
 
   bool print_to_cloud = job_settings.HasKey(printing::kSettingCloudPrintId);
 
-  if (print_to_pdf || print_to_cloud) {
+  if (print_to_pdf || print_to_cloud || is_cloud_dialog) {
     // Default fallback to Letter size.
     gfx::Size paper_size;
     gfx::Rect paper_rect;
     paper_size.SetSize(kPDFLetterWidth, kPDFLetterHeight);
 
     // Get settings from locale. Paper type buffer length is at most 4.
     const int paper_type_buffer_len = 4;
     wchar_t paper_type_buffer[paper_type_buffer_len] = {0};
     GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IPAPERSIZE, paper_type_buffer,
                   paper_type_buffer_len);
@@ skipping 449 matching lines @@
   if (buf_size) {
     buffer->reset(new uint8[buf_size]);
     memset(buffer->get(), 0, buf_size);
     if (!GetPrinter(printer, level, buffer->get(), buf_size, &buf_size)) {
       buffer->reset();
     }
   }
 }
 
 }  // namespace printing