RTCCertificate and RTCPeerConnection.generateCertificate added to JavaScript

Source/platform/exported/WebRTCConfiguration.cpp

Index: Source/platform/exported/WebRTCConfiguration.cpp
diff --git a/Source/platform/exported/WebRTCConfiguration.cpp b/Source/platform/exported/WebRTCConfiguration.cpp
index df1150dee6d2346b1bffd8539b4cc645ac59e5bc..b741cd118b8ed03dcd775eaabbf8143ba001d666 100644
--- a/Source/platform/exported/WebRTCConfiguration.cpp
+++ b/Source/platform/exported/WebRTCConfiguration.cpp
@@ -144,4 +144,14 @@ WebRTCRtcpMuxPolicy WebRTCConfiguration::rtcpMuxPolicy() const
     return WebRTCRtcpMuxPolicyNegotiate;
 }
 
+size_t WebRTCConfiguration::numberOfCertificates() const
+{
+    return m_private->numberOfCertificates();
+}
+
+WebRTCCertificate* WebRTCConfiguration::certificate(size_t index) const
+{
+    return m_private->certificate(index);
+}
+
 } // namespace blink