Revert of New method StatsObserver::OnCompleteReports, passing ownership.

webrtc/api/test/mockpeerconnectionobservers.h

 /*
  *  Copyright 2012 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.
  */
 
@@ skipping 90 matching lines @@
   rtc::scoped_refptr<webrtc::DataChannelInterface> channel_;
   DataChannelInterface::DataState state_;
   std::vector<std::string> messages_;
 };
 
 class MockStatsObserver : public webrtc::StatsObserver {
  public:
   MockStatsObserver() : called_(false), stats_() {}
   virtual ~MockStatsObserver() {}
 
-  void OnCompleteReports(std::unique_ptr<StatsReports> reports) override {
+  virtual void OnComplete(const StatsReports& reports) {
     ASSERT(!called_);
     called_ = true;
     stats_.Clear();
-    stats_.number_of_reports = reports->size();
-    for (const auto* r : *reports) {
+    stats_.number_of_reports = reports.size();
+    for (const auto* r : reports) {
       if (r->type() == StatsReport::kStatsReportTypeSsrc) {
         stats_.timestamp = r->timestamp();
         GetIntValue(r, StatsReport::kStatsValueNameAudioOutputLevel,
             &stats_.audio_output_level);
         GetIntValue(r, StatsReport::kStatsValueNameAudioInputLevel,
             &stats_.audio_input_level);
         GetIntValue(r, StatsReport::kStatsValueNameBytesReceived,
             &stats_.bytes_received);
         GetIntValue(r, StatsReport::kStatsValueNameBytesSent,
             &stats_.bytes_sent);
@@ skipping 93 matching lines @@
     int bytes_sent;
     int available_receive_bandwidth;
     std::string dtls_cipher;
     std::string srtp_cipher;
   } stats_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_TEST_MOCKPEERCONNECTIONOBSERVERS_H_