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 08d1ed075bf7aebbd38327dc4ea08cac95eddb88..09418a937a1479cf015bc8b92ad43b9262a599e2 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.h
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.h
@@ -48,6 +48,10 @@ namespace IPC {
 struct ChannelHandle;
 }
 
+namespace ppapi {
+class PPB_X509Certificate_Fields;
+}
+
 namespace ui {
 class Range;
 }
@@ -319,6 +323,10 @@ class PepperPluginDelegateImpl
       const PP_HostResolver_Private_Hint* hint) OVERRIDE;
   virtual void UnregisterHostResolver(uint32 host_resolver_id) OVERRIDE;
 
+  virtual bool X509CertificateParseDER(
+      const std::vector<char>& der,
+      ppapi::PPB_X509Certificate_Fields* fields) OVERRIDE;
+
   virtual bool AddNetworkListObserver(
       webkit_glue::NetworkListObserver* observer) OVERRIDE;
   virtual void RemoveNetworkListObserver(