Moved transport_adapter.h/.cc from call/ to video/ dir to remove circular dependency

webrtc/video/transport_adapter.h

Index: webrtc/video/transport_adapter.h
diff --git a/webrtc/call/transport_adapter.h b/webrtc/video/transport_adapter.h
similarity index 88%
rename from webrtc/call/transport_adapter.h
rename to webrtc/video/transport_adapter.h
index 583cdf95857cc631ee6f7fcc3930f6c92b2e795f..2ed58aa8ceda24d3ad0706698ab5162e2a370e76 100644
--- a/webrtc/call/transport_adapter.h
+++ b/webrtc/video/transport_adapter.h
@@ -7,8 +7,8 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef WEBRTC_CALL_TRANSPORT_ADAPTER_H_
-#define WEBRTC_CALL_TRANSPORT_ADAPTER_H_
+#ifndef WEBRTC_VIDEO_TRANSPORT_ADAPTER_H_
+#define WEBRTC_VIDEO_TRANSPORT_ADAPTER_H_
 
 #include "webrtc/common_types.h"
 #include "webrtc/system_wrappers/include/atomic32.h"
@@ -36,4 +36,4 @@ class TransportAdapter : public Transport {
 }  // namespace internal
 }  // namespace webrtc
 
-#endif  // WEBRTC_CALL_TRANSPORT_ADAPTER_H_
+#endif  // WEBRTC_VIDEO_TRANSPORT_ADAPTER_H_