Update OS version functions.

base/mac/mac_util.mm

Index: base/mac/mac_util.mm
diff --git a/base/mac/mac_util.mm b/base/mac/mac_util.mm
index 04311ecf11ec0cb09e38eb02d90a3374bab726fb..27bfeb16a500e3c0fa58141d4165343f34db6631 100644
--- a/base/mac/mac_util.mm
+++ b/base/mac/mac_util.mm
@@ -610,49 +610,68 @@ enum {
   SNOW_LEOPARD_MINOR_VERSION = 6,
   LION_MINOR_VERSION = 7,
   MOUNTAIN_LION_MINOR_VERSION = 8,
+  MAVERICKS_MINOR_VERSION = 9,
 };
 
 }  // namespace
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_7)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSSNOWLEOPARD)
 bool IsOSSnowLeopard() {
   return MacOSXMinorVersion() == SNOW_LEOPARD_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_7)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSLION)
 bool IsOSLion() {
   return MacOSXMinorVersion() == LION_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_7)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSLIONOREARLIER)
 bool IsOSLionOrEarlier() {
   return MacOSXMinorVersion() <= LION_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_7)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSLIONORLATER)
 bool IsOSLionOrLater() {
   return MacOSXMinorVersion() >= LION_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_8)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSMOUNTAINLION)
 bool IsOSMountainLion() {
   return MacOSXMinorVersion() == MOUNTAIN_LION_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_8)
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSMOUNTAINLIONOREARLIER)
+bool IsOSMountainLionOrEarlier() {
+  return MacOSXMinorVersion() <= MOUNTAIN_LION_MINOR_VERSION;
+}
+#endif
+
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSMOUNTAINLIONORLATER)
 bool IsOSMountainLionOrLater() {
   return MacOSXMinorVersion() >= MOUNTAIN_LION_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_8)
-bool IsOSLaterThanMountainLion_DontCallThis() {
-  return MacOSXMinorVersion() > MOUNTAIN_LION_MINOR_VERSION;
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSMAVERICKS)
+bool IsOSMavericks() {
+  return MacOSXMinorVersion() == MAVERICKS_MINOR_VERSION;
+}
+#endif
+
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISOSMAVERICKSORLATER)
+bool IsOSMavericksOrLater() {
+  return MacOSXMinorVersion() >= MAVERICKS_MINOR_VERSION;
+}
+#endif
+
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_ISLATERTHANOSMAVERICKS)
+bool IsOSLaterThanMavericks_DontCallThis() {
+  return MacOSXMinorVersion() > MAVERICKS_MINOR_VERSION;
 }
 #endif