Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/test/mock_webrtcsession.h

Index: webrtc/pc/test/mock_webrtcsession.h
diff --git a/webrtc/api/test/mock_webrtcsession.h b/webrtc/pc/test/mock_webrtcsession.h
similarity index 93%
rename from webrtc/api/test/mock_webrtcsession.h
rename to webrtc/pc/test/mock_webrtcsession.h
index ae750356081891aee619870ea1b605dd58983f9e..d476377370c322668f2d465a9672acc8adf37e3b 100644
--- a/webrtc/api/test/mock_webrtcsession.h
+++ b/webrtc/pc/test/mock_webrtcsession.h
@@ -8,13 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_API_TEST_MOCK_WEBRTCSESSION_H_
-#define WEBRTC_API_TEST_MOCK_WEBRTCSESSION_H_
+#ifndef WEBRTC_PC_TEST_MOCK_WEBRTCSESSION_H_
+#define WEBRTC_PC_TEST_MOCK_WEBRTCSESSION_H_
 
 #include <memory>
 #include <string>
 
-#include "webrtc/api/webrtcsession.h"
+#include "webrtc/pc/webrtcsession.h"
 #include "webrtc/media/sctp/sctptransportinternal.h"
 #include "webrtc/test/gmock.h"
 
@@ -62,4 +62,4 @@ class MockWebRtcSession : public webrtc::WebRtcSession {
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_API_TEST_MOCK_WEBRTCSESSION_H_
+#endif  // WEBRTC_PC_TEST_MOCK_WEBRTCSESSION_H_