[Chrome] Support NumCopies print preset

chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc

Index: chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc
diff --git a/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc b/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc
index c0edcb42f186d9c20235575d7d03b826d7e35027..b71cbcc31ad528ca44f0c6eed066c1f9b676d9c7 100644
--- a/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc
+++ b/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc
@@ -10,6 +10,7 @@
 #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"
@@ -92,6 +93,10 @@ scoped_ptr<ResourceHost> ChromeRendererPepperHostFactory::CreateResourceHost(
         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()));
+      }
     }
   }