Add the PPAPI X509 Certificate interface and implementation.

ppapi/proxy/ppb_x509_certificate_private_proxy.h

Index: ppapi/proxy/ppb_x509_certificate_private_proxy.h
diff --git a/ppapi/proxy/ppb_x509_certificate_private_proxy.h b/ppapi/proxy/ppb_x509_certificate_private_proxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..f3a4b2f6e1b8d4bf516834a97b535a73ac0cb51f
--- /dev/null
+++ b/ppapi/proxy/ppb_x509_certificate_private_proxy.h
@@ -0,0 +1,35 @@
+// 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 PPAPI_PROXY_PPB_X509_CERTIFICATE_PRIVATE_PROXY_H_
+#define PPAPI_PROXY_PPB_X509_CERTIFICATE_PRIVATE_PROXY_H_
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+namespace ppapi {
+namespace proxy {
+
+class PPB_X509Certificate_Private_Proxy
+    : public InterfaceProxy {
+ public:
+  explicit PPB_X509Certificate_Private_Proxy(Dispatcher* dispatcher);
+  virtual ~PPB_X509Certificate_Private_Proxy();
+  static PP_Resource CreateProxyResource(PP_Instance instance);
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+  static const ApiID kApiID = API_ID_PPB_X509_CERTIFICATE_PRIVATE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PPB_X509Certificate_Private_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_PPB_X509_CERTIFICATE_PRIVATE_PROXY_H_