[Chrome] Support NumCopies print preset

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 e603806de61259ea4fa5bec2d210a63b40d5b627..90dd48547ce6d84971c5491a7b4b7e34199797f8 100644
--- a/chrome/browser/printing/print_preview_message_handler.cc
+++ b/chrome/browser/printing/print_preview_message_handler.cc
@@ -201,6 +201,13 @@ void PrintPreviewMessageHandler::OnPrintPreviewScalingDisabled() {
   print_preview_ui->OnPrintPreviewScalingDisabled();
 }
 
+void PrintPreviewMessageHandler::OnPrintPreviewNumCopies(int num_copies) {

[Vitaly Buka (NO REVIEWS), 2014/07/10 01:13:04]

PrintPreviewNumCopies -> PrintPreviewSetCopies

[Nikhil, 2014/07/16 13:52:55]

Removed, OnSetOptionsFromDocument() will be used.

+  PrintPreviewUI* print_preview_ui = GetPrintPreviewUI();
+  if (!print_preview_ui)
+    return;
+  print_preview_ui->OnPrintPreviewNumCopies(num_copies);
+}
+
 bool PrintPreviewMessageHandler::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
@@ -223,6 +230,8 @@ bool PrintPreviewMessageHandler::OnMessageReceived(
                         OnInvalidPrinterSettings)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewScalingDisabled,
                         OnPrintPreviewScalingDisabled)
+    IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewNumCopies,
+                        OnPrintPreviewNumCopies)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;