Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/webrtcsdp.cc

Index: webrtc/pc/webrtcsdp.cc
diff --git a/webrtc/api/webrtcsdp.cc b/webrtc/pc/webrtcsdp.cc
similarity index 99%
rename from webrtc/api/webrtcsdp.cc
rename to webrtc/pc/webrtcsdp.cc
index f18653dad9e805ab74512146006762e06396fc28..5c4688a9c03707f74031cdf1b54a95ce02bdf28f 100644
--- a/webrtc/api/webrtcsdp.cc
+++ b/webrtc/pc/webrtcsdp.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/api/webrtcsdp.h"
+#include "webrtc/pc/webrtcsdp.h"
 
 #include <ctype.h>
 #include <limits.h>
@@ -20,8 +20,6 @@
 #include <unordered_map>
 #include <vector>
 
-#include "webrtc/api/jsepicecandidate.h"
-#include "webrtc/api/jsepsessiondescription.h"
 #include "webrtc/base/arraysize.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/logging.h"
@@ -37,6 +35,8 @@
 #include "webrtc/p2p/base/candidate.h"
 #include "webrtc/p2p/base/p2pconstants.h"
 #include "webrtc/p2p/base/port.h"
+#include "webrtc/pc/jsepicecandidate.h"
+#include "webrtc/pc/jsepsessiondescription.h"
 #include "webrtc/pc/mediasession.h"
 
 using cricket::AudioContentDescription;