Handle an extension printer supporting only PWG raster data

chrome/browser/ui/webui/print_preview/print_preview_handler.cc

 // Copyright (c) 2012 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/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <map>
 #include <string>
@@ skipping 871 matching lines @@
     return;
   }
 #endif
 
   if (print_with_extension) {
     // TODO(tbarzic): Record UMA stats.
 
     std::string destination_id;
     std::string print_ticket;
     std::string capabilities;
+    int width = 0;
+    int height = 0;
     if (!settings->GetString(printing::kSettingDeviceName, &destination_id) ||
         !settings->GetString(printing::kSettingTicket, &print_ticket) ||
-        !settings->GetString(printing::kSettingCapabilities, &capabilities)) {
+        !settings->GetString(printing::kSettingCapabilities, &capabilities) ||
+        !settings->GetInteger(printing::kSettingPageWidth, &width) ||
+        !settings->GetInteger(printing::kSettingPageHeight, &height) ||
+        width <= 0 || height <= 0) {
       NOTREACHED();
       OnExtensionPrintResult(false, "FAILED");
       return;
     }
 
     base::string16 title;
     scoped_refptr<base::RefCountedBytes> data;
     if (!GetPreviewDataAndTitle(&data, &title)) {
       LOG(ERROR) << "Nothing to print; no preview available.";
       OnExtensionPrintResult(false, "NO_DATA");
       return;
     }
 
     EnsureExtensionPrinterHandlerSet();
     extension_printer_handler_->StartPrint(
-        destination_id, capabilities, print_ticket, data,
-        base::Bind(&PrintPreviewHandler::OnExtensionPrintResult,
-                   base::Unretained(this)));
+        destination_id, capabilities, print_ticket, gfx::Size(width, height),
+        data, base::Bind(&PrintPreviewHandler::OnExtensionPrintResult,
+                         base::Unretained(this)));
     return;
   }
 
   scoped_refptr<base::RefCountedBytes> data;
   base::string16 title;
   if (!GetPreviewDataAndTitle(&data, &title)) {
     // Nothing to print, no preview available.
     return;
   }
 
@@ skipping 783 matching lines @@
 
 void PrintPreviewHandler::UnregisterForMergeSession() {
   if (reconcilor_)
     reconcilor_->RemoveMergeSessionObserver(this);
 }
 
 void PrintPreviewHandler::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   pdf_file_saved_closure_ = closure;
 }