Add serializers to RTCIceCandidate and RTCSessionDescription

Source/modules/mediastream/RTCIceCandidate.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 15 matching lines @@
  * 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/RTCIceCandidate.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/V8ObjectBuilder.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/mediastream/RTCIceCandidateInit.h"
 
 namespace blink {
 
 RTCIceCandidate* RTCIceCandidate::create(const RTCIceCandidateInit& candidateInit, ExceptionState& exceptionState)
 {
     if (!candidateInit.hasCandidate() || !candidateInit.candidate().length()) {
         exceptionState.throwDOMException(TypeMismatchError, ExceptionMessages::incorrectPropertyType("candidate", "is not a string, or is empty."));
         return nullptr;
@@ skipping 48 matching lines @@
 void RTCIceCandidate::setSdpMid(String sdpMid)
 {
     m_webCandidate.setSdpMid(sdpMid);
 }
 
 void RTCIceCandidate::setSdpMLineIndex(unsigned short sdpMLineIndex)
 {
     m_webCandidate.setSdpMLineIndex(sdpMLineIndex);
 }
 
+ScriptValue RTCIceCandidate::toJSONForBinding(ScriptState* scriptState)
+{
+    V8ObjectBuilder result(scriptState);
+    result.addString("candidate", m_webCandidate.candidate());
+    result.addString("sdpMid", m_webCandidate.sdpMid());
+    result.addNumber("sdpMLineIndex", m_webCandidate.sdpMLineIndex());
+    return result.scriptValue();
+}
+
 } // namespace blink