[Chrome] Support NumCopies print preset

chrome/browser/printing/print_preview_message_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/printing/print_preview_message_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
@@ skipping 183 matching lines @@
   print_preview_ui->OnInvalidPrinterSettings();
 }
 
 void PrintPreviewMessageHandler::OnPrintPreviewScalingDisabled() {
   PrintPreviewUI* print_preview_ui = GetPrintPreviewUI();
   if (!print_preview_ui)
     return;
   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;
   IPC_BEGIN_MESSAGE_MAP(PrintPreviewMessageHandler, message)
     IPC_MESSAGE_HANDLER(PrintHostMsg_RequestPrintPreview,
                         OnRequestPrintPreview)
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetPreviewPageCount,
                         OnDidGetPreviewPageCount)
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidPreviewPage,
                         OnDidPreviewPage)
     IPC_MESSAGE_HANDLER(PrintHostMsg_MetafileReadyForPrinting,
                         OnMetafileReadyForPrinting)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewFailed,
                         OnPrintPreviewFailed)
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetDefaultPageLayout,
                         OnDidGetDefaultPageLayout)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewCancelled,
                         OnPrintPreviewCancelled)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewInvalidPrinterSettings,
                         OnInvalidPrinterSettings)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewScalingDisabled,
                         OnPrintPreviewScalingDisabled)
+    IPC_MESSAGE_HANDLER(PrintHostMsg_PrintPreviewNumCopies,
+                        OnPrintPreviewNumCopies)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 }  // namespace printing