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

webrtc/rtc_base/weak_ptr.cc

 /*
  *  Copyright 2016 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/base/weak_ptr.h"
+#include "webrtc/rtc_base/weak_ptr.h"
 
 // The implementation is borrowed from chromium except that it does not
 // implement SupportsWeakPtr.
 
 namespace rtc {
 namespace internal {
 
 WeakReference::Flag::Flag() : is_valid_(true) {
   // Flags only become bound when checked for validity, or invalidated,
   // so that we can check that later validity/invalidation operations on
@@ skipping 56 matching lines @@
 }
 
 WeakPtrBase::WeakPtrBase() {}
 
 WeakPtrBase::~WeakPtrBase() {}
 
 WeakPtrBase::WeakPtrBase(const WeakReference& ref) : ref_(ref) {}
 
 }  // namespace internal
 }  // namespace rtc