[Chrome] Support NumCopies print preset

chrome/renderer/pepper/chrome_renderer_pepper_host_factory.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/renderer/pepper/chrome_renderer_pepper_host_factory.h"
 
 #include "base/logging.h"
 #include "chrome/renderer/pepper/pepper_flash_drm_renderer_host.h"
 #include "chrome/renderer/pepper/pepper_flash_font_file_host.h"
 #include "chrome/renderer/pepper/pepper_flash_fullscreen_host.h"
 #include "chrome/renderer/pepper/pepper_flash_menu_host.h"
 #include "chrome/renderer/pepper/pepper_flash_renderer_host.h"
+#include "chrome/renderer/pepper/pepper_printing_renderer_host.h"
 #include "chrome/renderer/pepper/pepper_uma_host.h"
 #include "components/pdf/renderer/pepper_pdf_host.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/host/resource_host.h"
 #include "ppapi/proxy/ppapi_message_utils.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/ppapi_permissions.h"
 
 using ppapi::host::ResourceHost;
@@ skipping 62 matching lines @@
     }
   }
 
   if (host_->GetPpapiHost()->permissions().HasPermission(
           ppapi::PERMISSION_PRIVATE)) {
     switch (message.type()) {
       case PpapiHostMsg_PDF_Create::ID: {
         return scoped_ptr<ResourceHost>(
             new pdf::PepperPDFHost(host_, instance, params.pp_resource()));
       }
+      case PpapiHostMsg_PrintHost_Create::ID: {
+        return scoped_ptr<ResourceHost>(new PepperPrintingRendererHost(
+            host_, instance, params.pp_resource()));
+      }
     }
   }
 
   // Permissions for the following interfaces will be checked at the
   // time of the corresponding instance's method calls.  Currently these
   // interfaces are available only for whitelisted apps which may not have
   // access to the other private interfaces.
   switch (message.type()) {
     case PpapiHostMsg_UMA_Create::ID: {
       return scoped_ptr<ResourceHost>(
           new PepperUMAHost(host_, instance, params.pp_resource()));
     }
   }
 
   return scoped_ptr<ResourceHost>();
 }