system_wrappers: rename interface -> include

webrtc/test/histogram.cc

 /*
  *  Copyright (c) 2015 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/test/histogram.h"
 
 #include <map>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/thread_annotations.h"
-#include "webrtc/system_wrappers/interface/metrics.h"
+#include "webrtc/system_wrappers/include/metrics.h"
 
 // Test implementation of histogram methods in
-// webrtc/system_wrappers/interface/metrics.h.
+// webrtc/system_wrappers/include/metrics.h.
 
 namespace webrtc {
 namespace {
 struct SampleInfo {
   SampleInfo(int sample)
       : last(sample), total(1) {}
   int last;   // Last added sample.
   int total;  // Total number of added samples.
 };
 
@@ skipping 42 matching lines @@
   return it->second.total;
 }
 
 void ClearHistograms() {
   rtc::CritScope cs(&histogram_crit_);
   histograms_.clear();
 }
 }  // namespace test
 }  // namespace webrtc