system_wrappers: rename interface -> include

webrtc/system_wrappers/source/field_trial_default.cc

 // Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the LICENSE file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS.  All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 //
 
-#include "webrtc/system_wrappers/interface/field_trial.h"
-#include "webrtc/system_wrappers/interface/field_trial_default.h"
+#include "webrtc/system_wrappers/include/field_trial.h"
+#include "webrtc/system_wrappers/include/field_trial_default.h"
 
 #include <string>
 
 // Simple field trial implementation, which allows client to
 // specify desired flags in InitFieldTrialsFromString.
 namespace webrtc {
 namespace field_trial {
 
 static const char *trials_init_string = NULL;
 
@@ skipping 31 matching lines @@
   return std::string();
 }
 
 // Optionally initialize field trial from a string.
 void InitFieldTrialsFromString(const char* trials_string) {
   trials_init_string = trials_string;
 }
 
 }  // namespace field_trial
 }  // namespace webrtc