Add new certificateProvider extension API.

chrome/browser/chromeos/certificate_provider/certificate_provider_service.h

Index: chrome/browser/chromeos/certificate_provider/certificate_provider_service.h
diff --git a/chrome/browser/chromeos/certificate_provider/certificate_provider_service.h b/chrome/browser/chromeos/certificate_provider/certificate_provider_service.h
index 1b9808219afe760a268e23653c59ca054becc900..5fc84ea0f77cb7606bdd0d96b19c7873f99e6911 100644
--- a/chrome/browser/chromeos/certificate_provider/certificate_provider_service.h
+++ b/chrome/browser/chromeos/certificate_provider/certificate_provider_service.h
@@ -80,10 +80,12 @@ class CertificateProviderService : public KeyedService {
     // Dispatches a sign request with the given arguments to the extension with
     // id |extension_id|. Returns whether that extension is actually a listener
     // for that event.
-    virtual bool DispatchSignRequestToExtension(const std::string& extension_id,
-                                                int sign_request_id,
-                                                net::SSLPrivateKey::Hash hash,
-                                                const std::string& digest) = 0;
+    virtual bool DispatchSignRequestToExtension(
+        const std::string& extension_id,
+        int sign_request_id,
+        net::SSLPrivateKey::Hash hash,
+        const scoped_refptr<net::X509Certificate>& certificate,
+        const std::string& digest) = 0;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Delegate);