Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/jsepsessiondescription.h

Index: webrtc/pc/jsepsessiondescription.h
diff --git a/webrtc/api/jsepsessiondescription.h b/webrtc/pc/jsepsessiondescription.h
similarity index 93%
copy from webrtc/api/jsepsessiondescription.h
copy to webrtc/pc/jsepsessiondescription.h
index 8f2ab5ff57aaa0d95d2214bcfc1b509aecfeae63..291be3ee4e783d158aebcfb3a4bcc0c510a54464 100644
--- a/webrtc/api/jsepsessiondescription.h
+++ b/webrtc/pc/jsepsessiondescription.h
@@ -10,17 +10,17 @@
 
 // Implements the SessionDescriptionInterface.
 
-#ifndef WEBRTC_API_JSEPSESSIONDESCRIPTION_H_
-#define WEBRTC_API_JSEPSESSIONDESCRIPTION_H_
+#ifndef WEBRTC_PC_JSEPSESSIONDESCRIPTION_H_
+#define WEBRTC_PC_JSEPSESSIONDESCRIPTION_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/api/jsep.h"
-#include "webrtc/api/jsepicecandidate.h"
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/p2p/base/candidate.h"
+#include "webrtc/pc/jsepicecandidate.h"
 
 namespace cricket {
 class SessionDescription;
@@ -85,4 +85,4 @@ class JsepSessionDescription : public SessionDescriptionInterface {
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_API_JSEPSESSIONDESCRIPTION_H_
+#endif  // WEBRTC_PC_JSEPSESSIONDESCRIPTION_H_