Adding JSEP PeerConnection glue.

content/renderer/media/media_stream_center.cc

Index: content/renderer/media/media_stream_center.cc
diff --git a/content/renderer/media/media_stream_center.cc b/content/renderer/media/media_stream_center.cc
index 172a1512003992bc6090756e05c3415d65d452f3..2e5a43bae65a9101017135a2a31f542678544b05 100644
--- a/content/renderer/media/media_stream_center.cc
+++ b/content/renderer/media/media_stream_center.cc
@@ -4,10 +4,17 @@
 
 #include "content/renderer/media/media_stream_center.h"
 
+#include <string>
+
+#include "base/logging.h"
+#include "base/utf_string_conversions.h"
+#include "third_party/libjingle/source/talk/app/webrtc/jsep.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebICECandidateDescriptor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamCenterClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamDescriptor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamSourcesRequest.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSessionDescriptionDescriptor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
 
 namespace content {
@@ -41,4 +48,36 @@ void MediaStreamCenter::didConstructMediaStream(
     const WebKit::WebMediaStreamDescriptor& stream) {
 }
 
+WebKit::WebString MediaStreamCenter::constructSDP(
+    const WebKit::WebICECandidateDescriptor& candidate) {
+  webrtc::IceCandidateInterface* native_candidate =
+      webrtc::CreateIceCandidate(UTF16ToUTF8(candidate.label()),
+                                 UTF16ToUTF8(candidate.candidateLine()));
+  std::string sdp;
+  if (!native_candidate->ToString(&sdp))
+    LOG(ERROR) << "Could not create SDP string";
+  return UTF8ToUTF16(sdp);
+}
+
+WebKit::WebString MediaStreamCenter::constructSDP(
+    const WebKit::WebSessionDescriptionDescriptor& description) {
+  webrtc::SessionDescriptionInterface* native_desc =
+      webrtc::CreateSessionDescription(UTF16ToUTF8(description.initialSDP()));
+  if (!native_desc)
+    return WebKit::WebString();
+
+  for (size_t i = 0; i < description.numberOfAddedCandidates(); ++i) {
+    WebKit::WebICECandidateDescriptor candidate = description.candidate(i);
+    webrtc::IceCandidateInterface* native_candidate =
+        webrtc::CreateIceCandidate(UTF16ToUTF8(candidate.label()),
+                                   UTF16ToUTF8(candidate.candidateLine()));
+    native_desc->AddCandidate(native_candidate);
+  }
+
+  std::string sdp;
+  if (!native_desc->ToString(&sdp))
+    LOG(ERROR) << "Could not create SDP string";
+  return UTF8ToUTF16(sdp);
+}
+
 }  // namespace content