Ensure that DLOG(FATAL) also asserts in release-with-asserts builds.

base/threading/platform_thread_win.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/threading/platform_thread.h"
 
 #include <stddef.h>
 
 #include "base/debug/alias.h"
 #include "base/debug/profiler.h"
@@ skipping 233 matching lines @@
       break;
     case ThreadPriority::REALTIME_AUDIO:
       desired_priority = THREAD_PRIORITY_TIME_CRITICAL;
       break;
     default:
       NOTREACHED() << "Unknown priority.";
       break;
   }
   DCHECK_NE(desired_priority, THREAD_PRIORITY_ERROR_RETURN);
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)
   const BOOL success =
 #endif
       ::SetThreadPriority(PlatformThread::CurrentHandle().platform_handle(),
                           desired_priority);
   DPLOG_IF(ERROR, !success) << "Failed to set thread priority to "
                             << desired_priority;
 }
 
 // static
 ThreadPriority PlatformThread::GetCurrentThreadPriority() {
@@ skipping 10 matching lines @@
       return ThreadPriority::REALTIME_AUDIO;
     case THREAD_PRIORITY_ERROR_RETURN:
       DPCHECK(false) << "GetThreadPriority error";  // Falls through.
     default:
       NOTREACHED() << "Unexpected priority: " << priority;
       return ThreadPriority::NORMAL;
   }
 }
 
 }  // namespace base