Add the PPAPI X509 Certificate interface and implementation.

content/browser/renderer_host/pepper_message_filter.cc

Index: content/browser/renderer_host/pepper_message_filter.cc
diff --git a/content/browser/renderer_host/pepper_message_filter.cc b/content/browser/renderer_host/pepper_message_filter.cc
index 44302ec628b6b4c8b33332fdff9689e05e3d317e..bb8ff2e90e2f12cce9222e4af763ad58c201f5d1 100644
--- a/content/browser/renderer_host/pepper_message_filter.cc
+++ b/content/browser/renderer_host/pepper_message_filter.cc
@@ -140,7 +140,12 @@ bool PepperMessageFilter::OnMessageReceived(const IPC::Message& msg,
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBHostResolver_Resolve,
                         OnHostResolverResolve)
 
-    IPC_MESSAGE_UNHANDLED(handled = false)
+    // X509 certificate messages.
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBX509Certificate_ParseDER,
+                        OnX509CertificateParseDER);
+
+
+  IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
 }
@@ -738,6 +743,17 @@ bool PepperMessageFilter::SendHostResolverResolveACKError(
       ppapi::NetAddressList()));
 }
 
+void PepperMessageFilter::OnX509CertificateParseDER(
+    const std::vector<char>& der,
+    bool* succeeded,
+    ppapi::PPB_X509Certificate_Fields* result) {
+  if (der.size() == 0) {
+    *succeeded = false;
+  }
+  *succeeded = PepperTCPSocket::GetCertificateFields(&der[0], der.size(),
+                                                     result);
+}
+
 void PepperMessageFilter::GetFontFamiliesComplete(
     IPC::Message* reply_msg,
     scoped_ptr<base::ListValue> result) {