Adding JSEP PeerConnection glue.

content/renderer/media/media_stream_center.h

Index: content/renderer/media/media_stream_center.h
diff --git a/content/renderer/media/media_stream_center.h b/content/renderer/media/media_stream_center.h
index 11c1fc4aaf0d2a45431594bdcfbd66b5761a71cf..d7020fdb0f721118ecd71d18ae01bf9e8d8a6d59 100644
--- a/content/renderer/media/media_stream_center.h
+++ b/content/renderer/media/media_stream_center.h
@@ -38,6 +38,12 @@ class CONTENT_EXPORT MediaStreamCenter
   virtual void didConstructMediaStream(
       const WebKit::WebMediaStreamDescriptor& stream) OVERRIDE;
 
+  virtual WebKit::WebString constructSDP(
+      const WebKit::WebICECandidateDescriptor& candidate) OVERRIDE;
+
+  virtual WebKit::WebString constructSDP(
+      const WebKit::WebSessionDescriptionDescriptor& description) OVERRIDE;
+
  private:
   // Weak pointer, owned by WebKit.
   WebKit::WebMediaStreamCenterClient* client_;