Print Preview: Associating preview requests and responses using an identifier

chrome/browser/printing/print_preview_message_handler.cc

Index: chrome/browser/printing/print_preview_message_handler.cc
diff --git a/chrome/browser/printing/print_preview_message_handler.cc b/chrome/browser/printing/print_preview_message_handler.cc
index a7129158d59a071ddfeb5618fee279400727ae2f..db57d77e51031b6e4fb4c64de8cb737fdef4db9a 100644
--- a/chrome/browser/printing/print_preview_message_handler.cc
+++ b/chrome/browser/printing/print_preview_message_handler.cc
@@ -119,7 +119,8 @@ void PrintPreviewMessageHandler::OnPagesReadyForPreview(
     print_preview_ui->OnPreviewDataIsAvailable(
         params.expected_pages_count,
         wrapper->print_view_manager()->RenderSourceName(),
-        params.modifiable);
+        params.modifiable,
+        params.preview_request_id);
     return;
   }
 
@@ -146,7 +147,8 @@ void PrintPreviewMessageHandler::OnPagesReadyForPreview(
   print_preview_ui->OnPreviewDataIsAvailable(
       params.expected_pages_count,
       wrapper->print_view_manager()->RenderSourceName(),
-      params.modifiable);
+      params.modifiable,
+      params.preview_request_id);
 }
 
 void PrintPreviewMessageHandler::OnPrintPreviewFailed(int document_cookie) {