Remove remains of webrtc/base

webrtc/sdk/objc/Framework/UnitTests/RTCTracingTest.mm

 /*
  *  Copyright 2017 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.
  */
 
 #import <Foundation/Foundation.h>
 
 #include <vector>
 
-#include "webrtc/base/gunit.h"
+#include "webrtc/rtc_base/gunit.h"
 
 #import "NSString+StdString.h"
 #import "WebRTC/RTCTracing.h"
 
 @interface RTCTracingTest : NSObject
 - (void)tracingTestNoInitialization;
 @end
 
 @implementation RTCTracingTest
 
@@ skipping 15 matching lines @@
 @end
 
 
 TEST(RTCTracingTest, TracingTestNoInitialization) {
   @autoreleasepool {
     RTCTracingTest *test = [[RTCTracingTest alloc] init];
     [test tracingTestNoInitialization];
   }
 }