Reset the BWE when the network changes

webrtc/p2p/base/candidatepairinterface.h

Index: webrtc/p2p/base/candidatepairinterface.h
diff --git a/webrtc/base/objc/RTCFieldTrials.h b/webrtc/p2p/base/candidatepairinterface.h
similarity index 50%
copy from webrtc/base/objc/RTCFieldTrials.h
copy to webrtc/p2p/base/candidatepairinterface.h
index 837a8f7a60993f7c172bef9e342e8a30e4432bea..1d11c22a525593ae29625f4cadcf1957165ea10f 100644
--- a/webrtc/base/objc/RTCFieldTrials.h
+++ b/webrtc/p2p/base/candidatepairinterface.h
@@ -8,16 +8,21 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/base/objc/RTCMacros.h"
+#ifndef WEBRTC_P2P_BASE_CANDIDATEPAIRINTERFACE_H_
+#define WEBRTC_P2P_BASE_CANDIDATEPAIRINTERFACE_H_
 
-#import <Foundation/Foundation.h>
+namespace cricket {
 
-typedef NS_OPTIONS(NSUInteger, RTCFieldTrialOptions) {
-  RTCFieldTrialOptionsNone = 0,
-  RTCFieldTrialOptionsSendSideBwe = 1 << 0,
+class Candidate;
+
+class CandidatePairInterface {
+ public:
+  virtual ~CandidatePairInterface() {}
+
+  virtual const Candidate& local_candidate() const = 0;
+  virtual const Candidate& remote_candidate() const = 0;
 };
 
-/** Must be called before any other call into WebRTC. See:
- *  webrtc/system_wrappers/include/field_trial_default.h
- */
-RTC_EXPORT void RTCInitFieldTrials(RTCFieldTrialOptions options);
+}  // namespace cricket
+
+#endif  // WEBRTC_P2P_BASE_CANDIDATEPAIRINTERFACE_H_