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

webrtc/rtc_base/sigslottester_unittest.cc

 /*
  *  Copyright 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/rtc_base/sigslottester.h"
+#include "webrtc/base/sigslottester.h"
 
 #include <string>
 
-#include "webrtc/rtc_base/gunit.h"
-#include "webrtc/rtc_base/sigslot.h"
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/sigslot.h"
 
 namespace rtc {
 
 TEST(SigslotTester, TestSignal1Arg) {
   sigslot::signal1<int> source1;
   int capture1;
   SigslotTester1<int, int> slot1(&source1, &capture1);
   EXPECT_EQ(0, slot1.callback_count());
 
   source1.emit(10);
@@ skipping 50 matching lines @@
   sigslot::signal1<std::string* const> source1;
   std::string* capture1;
   SigslotTester1<std::string* const, std::string*> slot1(&source1, &capture1);
   EXPECT_EQ(0, slot1.callback_count());
   source1.emit(nullptr);
   EXPECT_EQ(1, slot1.callback_count());
   EXPECT_EQ(nullptr, capture1);
 }
 
 }  // namespace rtc