Add serializers to RTCIceCandidate and RTCSessionDescription

Source/modules/mediastream/RTCSessionDescription.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/mediastream/RTCSessionDescription.h"
 
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/V8ObjectBuilder.h"
 #include "modules/mediastream/RTCSessionDescriptionInit.h"
 
 namespace blink {
 
 RTCSessionDescription* RTCSessionDescription::create(const RTCSessionDescriptionInit& descriptionInitDict)
 {
     String type;
     if (descriptionInitDict.hasType())
         type = descriptionInitDict.type();
 
@@ skipping 27 matching lines @@
 String RTCSessionDescription::sdp()
 {
     return m_webSessionDescription.sdp();
 }
 
 void RTCSessionDescription::setSdp(const String& sdp)
 {
     m_webSessionDescription.setSDP(sdp);
 }
 
+ScriptValue RTCSessionDescription::toJSONForBinding(ScriptState* scriptState)
+{
+    V8ObjectBuilder result(scriptState);
+    if (type().isNull())
+        result.addNull("type");
+    else
+        result.addString("type", type());
+    if (sdp().isNull())
+        result.addNull("sdp");
+    else
+        result.addString("sdp", sdp());
+    return result.scriptValue();
+}
+
 WebRTCSessionDescription RTCSessionDescription::webSessionDescription()
 {
     return m_webSessionDescription;
 }
 
 } // namespace blink