Add the PPAPI X509 Certificate interface and implementation.

ppapi/proxy/resource_creation_proxy.cc

Index: ppapi/proxy/resource_creation_proxy.cc
diff --git a/ppapi/proxy/resource_creation_proxy.cc b/ppapi/proxy/resource_creation_proxy.cc
index 5e9cecf999732420166e816376ba133b6856ca3b..57ab2328d9ae0c593d690b12a7b33b60d1c0666d 100644
--- a/ppapi/proxy/resource_creation_proxy.cc
+++ b/ppapi/proxy/resource_creation_proxy.cc
@@ -21,6 +21,7 @@
 #include "ppapi/proxy/ppb_flash_menu_proxy.h"
 #include "ppapi/proxy/ppb_flash_message_loop_proxy.h"
 #include "ppapi/proxy/ppb_flash_net_connector_proxy.h"
+#include "ppapi/proxy/ppb_flash_x509_certificate_proxy.h"
 #include "ppapi/proxy/ppb_graphics_2d_proxy.h"
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 #include "ppapi/proxy/ppb_host_resolver_private_proxy.h"
@@ -370,6 +371,13 @@ PP_Resource ResourceCreationProxy::CreateWheelInputEvent(
                                     instance, data))->GetReference();
 }
 
+#if !defined(OS_NACL)
+PP_Resource ResourceCreationProxy::CreateX509Certificate(PP_Instance instance) {
+  return PPB_Flash_X509Certificate_Proxy::CreateProxyResource(instance);
+}
+#endif
+
+
 bool ResourceCreationProxy::Send(IPC::Message* msg) {
   return dispatcher()->Send(msg);
 }