Revert "Update includes for webrtc/{base => rtc_base} rename (2/3)"

webrtc/pc/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.
  */
 
 // This file contains mock implementations of observers used in PeerConnection.
 
 #ifndef WEBRTC_PC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_
 #define WEBRTC_PC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_
 
 #include <memory>
 #include <string>
 
 #include "webrtc/api/datachannelinterface.h"
-#include "webrtc/rtc_base/checks.h"
+#include "webrtc/base/checks.h"
 
 namespace webrtc {
 
 class MockCreateSessionDescriptionObserver
     : public webrtc::CreateSessionDescriptionObserver {
  public:
   MockCreateSessionDescriptionObserver()
       : called_(false),
         result_(false) {}
   virtual ~MockCreateSessionDescriptionObserver() {}
@@ skipping 209 matching lines @@
   }
 
  private:
   bool called_ = false;
   rtc::scoped_refptr<const RTCStatsReport> report_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_PC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_