Add the PPAPI X509 Certificate interface and implementation.

content/renderer/pepper/pepper_plugin_delegate_impl.h

Index: content/renderer/pepper/pepper_plugin_delegate_impl.h
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.h b/content/renderer/pepper/pepper_plugin_delegate_impl.h
index f5519b4bfe383f7b8013a4d73c41e6562e338d07..1eb124176f3a8782885fa445b37ec4c8c4598023 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.h
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.h
@@ -46,6 +46,10 @@ namespace IPC {
 struct ChannelHandle;
 }
 
+namespace ppapi {
+class PPB_X509Certificate_Fields;
+}
+
 namespace webkit {
 struct WebPluginInfo;
 namespace ppapi {
@@ -300,6 +304,9 @@ class PepperPluginDelegateImpl
   virtual void TCPServerSocketAccept(uint32 real_socket_id) OVERRIDE;
   virtual void TCPServerSocketStopListening(uint32 real_socket_id,
                                             uint32 temp_socket_id) OVERRIDE;
+  virtual bool X509CertificateParseDER(
+      const std::vector<char>& der,
+      ppapi::PPB_X509Certificate_Fields* fields) OVERRIDE;
 
   virtual bool AddNetworkListObserver(
       webkit_glue::NetworkListObserver* observer) OVERRIDE;