Add media size capability to PDF printer.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 17 matching lines @@
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace gfx {
 class Size;
 }
 
-namespace printing {
-struct PageSizeMargins;
-class PrintBackend;
-}
-
 // The handler for Javascript messages related to the print preview dialog.
 class PrintPreviewHandler
     : public content::WebUIMessageHandler,
 #if defined(ENABLE_SERVICE_DISCOVERY)
       public local_discovery::PrivetLocalPrinterLister::Delegate,
       public local_discovery::PrivetLocalPrintOperation::Delegate,
 #endif
       public ui::SelectFileDialog::Listener,
       public printing::PrintViewManagerObserver {
  public:
@@ skipping 217 matching lines @@
       const std::string& name,
       const local_discovery::PrivetHTTPAsynchronousFactory::ResultCallback&
       callback);
   void FillPrinterDescription(
       const std::string& name,
       const local_discovery::DeviceDescription& description,
       bool has_local_printing,
       base::DictionaryValue* printer_value);
 #endif
 
-  // Pointer to current print system.
-  scoped_refptr<printing::PrintBackend> print_backend_;
-
   // The underlying dialog object.
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
 
   // A count of how many requests received to regenerate preview data.
   // Initialized to 0 then incremented and emitted to a histogram.
   int regenerate_preview_request_count_;
 
   // A count of how many requests received to show manage printers dialog.
   int manage_printers_dialog_request_count_;
   int manage_cloud_printers_dialog_request_count_;
@@ skipping 30 matching lines @@
   scoped_ptr<local_discovery::PrivetLocalPrintOperation>
       privet_local_print_operation_;
 #endif
 
   base::WeakPtrFactory<PrintPreviewHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_