Add the PPAPI X509 Certificate interface and implementation.

content/browser/renderer_host/pepper_message_filter.h

Index: content/browser/renderer_host/pepper_message_filter.h
diff --git a/content/browser/renderer_host/pepper_message_filter.h b/content/browser/renderer_host/pepper_message_filter.h
index cccff7cf144715b4950d8e4572e3ccaf4a43a49f..59c14b77df1b967589b0a8018fda95d189aa8365 100644
--- a/content/browser/renderer_host/pepper_message_filter.h
+++ b/content/browser/renderer_host/pepper_message_filter.h
@@ -35,6 +35,10 @@ class CertVerifier;
 class HostResolver;
 }
 
+namespace ppapi {
+class PPB_X509Certificate_Fields;
+}
+
 // This class is used in two contexts, both supporting PPAPI plugins. The first
 // is on the renderer->browser channel, to handle requests from in-process
 // PPAPI plugins and any requests that the PPAPI implementation code in the
@@ -173,6 +177,10 @@ class PepperMessageFilter : public content::BrowserMessageFilter {
                          const PP_NetAddress_Private& addr,
                          int32_t backlog);
 
+  void OnX509CertificateParseDER(const std::vector<char>& der,
+                                 bool* succeeded,
+                                 ppapi::PPB_X509Certificate_Fields* result);
+
   // Callback when the font list has been retrieved on a background thread.
   void GetFontFamiliesComplete(IPC::Message* reply_msg,
                                scoped_ptr<base::ListValue> result);