Handle an extension printer supporting only PWG raster data

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

Index: chrome/browser/ui/webui/print_preview/print_preview_handler.cc
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_handler.cc b/chrome/browser/ui/webui/print_preview/print_preview_handler.cc
index bcab1a930816e6291156122984637bf52b3f098b..51b36bb40a3645c53958b8a021de67726cb6fb42 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_handler.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_handler.cc
@@ -889,9 +889,14 @@ void PrintPreviewHandler::HandlePrint(const base::ListValue* args) {
     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;
@@ -907,9 +912,9 @@ void PrintPreviewHandler::HandlePrint(const base::ListValue* args) {
 
     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;
   }