Test to compile out VLOG

base/logging.h

 // 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.
 
 #ifndef BASE_LOGGING_H_
 #define BASE_LOGGING_H_
 
 #include <stddef.h>
 
 #include <cassert>
@@ skipping 363 matching lines @@
 #define LOG_STREAM(severity) COMPACT_GOOGLE_LOG_ ## severity.stream()
 
 #define LOG(severity) LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
 #define LOG_IF(severity, condition) \
   LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity) && (condition))
 
 // The VLOG macros log with negative verbosities.
 #define VLOG_STREAM(verbose_level) \
   ::logging::LogMessage(__FILE__, __LINE__, -verbose_level).stream()
 
-#define VLOG(verbose_level) \
-  LAZY_STREAM(VLOG_STREAM(verbose_level), VLOG_IS_ON(verbose_level))
+#define VLOG(verbose_level) EAT_STREAM_PARAMETERS
 
-#define VLOG_IF(verbose_level, condition) \
-  LAZY_STREAM(VLOG_STREAM(verbose_level), \
-      VLOG_IS_ON(verbose_level) && (condition))
+#define VLOG_IF(verbose_level, condition) EAT_STREAM_PARAMETERS
 
 #if defined (OS_WIN)
 #define VPLOG_STREAM(verbose_level) \
   ::logging::Win32ErrorLogMessage(__FILE__, __LINE__, -verbose_level, \
     ::logging::GetLastSystemErrorCode()).stream()
 #elif defined(OS_POSIX)
 #define VPLOG_STREAM(verbose_level) \
   ::logging::ErrnoLogMessage(__FILE__, __LINE__, -verbose_level, \
     ::logging::GetLastSystemErrorCode()).stream()
 #endif
@@ skipping 588 matching lines @@
 #elif NOTIMPLEMENTED_POLICY == 5
 #define NOTIMPLEMENTED() do {\
   static bool logged_once = false;\
   LOG_IF(ERROR, !logged_once) << NOTIMPLEMENTED_MSG;\
   logged_once = true;\
 } while(0);\
 EAT_STREAM_PARAMETERS
 #endif
 
 #endif  // BASE_LOGGING_H_