Use the new ScopedMachVM class and the MACH_LOG family of logging macros

base/mac/mac_logging.h

Index: base/mac/mac_logging.h
diff --git a/base/mac/mac_logging.h b/base/mac/mac_logging.h
index 02f205d853cb32110009368eae190f88c12579d9..1081490ec4a657e40b03668f7fe3ed3a74bc1762 100644
--- a/base/mac/mac_logging.h
+++ b/base/mac/mac_logging.h
@@ -5,6 +5,8 @@
 #ifndef BASE_MAC_MAC_LOGGING_H_
 #define BASE_MAC_MAC_LOGGING_H_
 
+#include "base/base_export.h"
+#include "base/basictypes.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 
@@ -43,6 +45,12 @@ class BASE_EXPORT OSStatusLogMessage : public logging::LogMessage {
 
 }  // namespace logging
 
+#if defined(NDEBUG)
+#define MAC_DVLOG_IS_ON(verbose_level) 0
+#else
+#define MAC_DVLOG_IS_ON(verbose_level) VLOG_IS_ON(verbose_level)
+#endif
+
 #define OSSTATUS_LOG_STREAM(severity, status) \
     COMPACT_GOOGLE_LOG_EX_ ## severity(OSStatusLogMessage, status).stream()
 #define OSSTATUS_VLOG_STREAM(verbose_level, status) \
@@ -74,10 +82,10 @@ class BASE_EXPORT OSStatusLogMessage : public logging::LogMessage {
 
 #define OSSTATUS_DVLOG(verbose_level, status) \
     LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \
-                DVLOG_IS_ON(verbose_level))
+                MAC_DVLOG_IS_ON(verbose_level))
 #define OSSTATUS_DVLOG_IF(verbose_level, condition, status) \
-    LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status) \
-                DVLOG_IS_ON(verbose_level) && (condition))
+    LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \
+                MAC_DVLOG_IS_ON(verbose_level) && (condition))
 
 #define OSSTATUS_DCHECK(condition, status) \
     LAZY_STREAM(OSSTATUS_LOG_STREAM(FATAL, status), \