RTCCertificate and RTCPeerConnection.generateCertificate added to JavaScript

public/platform/WebRTCConfiguration.h

Index: public/platform/WebRTCConfiguration.h
diff --git a/public/platform/WebRTCConfiguration.h b/public/platform/WebRTCConfiguration.h
index eea7aa4d0425433e90f29ceda81bbc9757b8404e..d17ecbe6e82eeca13ef6fccad0cb72acd3f332b6 100644
--- a/public/platform/WebRTCConfiguration.h
+++ b/public/platform/WebRTCConfiguration.h
@@ -41,6 +41,7 @@ namespace blink {
 class RTCIceServer;
 class RTCIceServerArray;
 class RTCConfiguration;
+class WebRTCCertificate;
 class WebString;
 class WebURL;
 
@@ -141,6 +142,9 @@ public:
     BLINK_PLATFORM_EXPORT WebRTCRtcpMuxPolicy rtcpMuxPolicy() const;
     BLINK_PLATFORM_EXPORT WebRTCICEServerArray iceServers() const;
 
+    BLINK_PLATFORM_EXPORT size_t numberOfCertificates() const;
+    BLINK_PLATFORM_EXPORT WebRTCCertificate* certificate(size_t index) const;
+
 #if INSIDE_BLINK
     BLINK_PLATFORM_EXPORT WebRTCConfiguration(RTCConfiguration*);
 #endif