Update from https://crrev.com/320343

base/win/registry.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/win/registry.h"
 
 #include <shlwapi.h>
 #include <algorithm>
 
 #include "base/logging.h"
@@ skipping 192 matching lines @@
 
 // TODO(wfh): Remove this and other unsafe methods. See http://crbug.com/375400
 void RegKey::Set(HKEY key) {
   if (key_ != key) {
     Close();
     key_ = key;
   }
 }
 
 HKEY RegKey::Take() {
-  DCHECK(wow64access_ == 0);
+  DCHECK_EQ(wow64access_, 0u);
   HKEY key = key_;
   key_ = NULL;
   return key;
 }
 
 bool RegKey::HasValue(const wchar_t* name) const {
   return RegQueryValueEx(key_, name, 0, NULL, NULL, NULL) == ERROR_SUCCESS;
 }
 
 DWORD RegKey::GetValueCount() const {
@@ skipping 447 matching lines @@
     } else {
       index_ = count - 1;
     }
   }
 
   Read();
 }
 
 }  // namespace win
 }  // namespace base