Handle Origin Bound Certificate expiration.

net/base/default_origin_bound_cert_store.h

Index: net/base/default_origin_bound_cert_store.h
diff --git a/net/base/default_origin_bound_cert_store.h b/net/base/default_origin_bound_cert_store.h
index f5e03943daf9a3b2f2a67895530ecbf826f11fc0..ad8f7209619471807f457755ffc8d538d4f5628e 100644
--- a/net/base/default_origin_bound_cert_store.h
+++ b/net/base/default_origin_bound_cert_store.h
@@ -57,11 +57,13 @@ class NET_EXPORT DefaultOriginBoundCertStore : public OriginBoundCertStore {
   virtual bool GetOriginBoundCert(
       const std::string& origin,
       SSLClientCertType* type,
+      base::Time* expiration_time,
       std::string* private_key_result,
       std::string* cert_result) OVERRIDE;
   virtual void SetOriginBoundCert(
       const std::string& origin,
       SSLClientCertType type,
+      base::Time expiration_time,
       const std::string& private_key,
       const std::string& cert) OVERRIDE;
   virtual void DeleteOriginBoundCert(const std::string& origin) OVERRIDE;